Important note: Most of these instruments are not in the Adler collection (which you can find more information about here). We know nothing about them beyond the information returned by searching this database. You may be able to learn more by contacting the institutions in the "Instruments" column, or by consulting the "References" listed.
Your search for signatures starting with D yielded 800 entries. Displaying entries 1–800.| Signature | Maker Info | Instruments | Comments | Location | References | Suggest Correction |
| D'AMERY, LAMBERT | Belgium, fl.1600-14, MIM | Astrolabe, 1614 = BMR (ICA-451); Astrolabe = LIE (ICA-459). | father of Leonard D'Amery. | Liège. | Price 1; ICA 2; Michel 1, 3, 9, 10, 13, 16; Belgian Inventory; Zinner 1; Société Belge; Art. | suggest correction |
| D'AMERY, LEONARD | Belgium, 1607-40, MIM NIM SIM | Circumferentors = ADL-M150 (missing, never shipped by Mensing who thought this was a double entry), ADL-M151, BMR, Michel Coll., Rosenheim; Holland Circle = ROU. | signed himself as a `mathematician'; son of Lambert D'Amery. | Brussels. | Michel 3, 9, 10; Price 2; Engelmann 1; Zinner 1; Belgian Inventory; Daumas 1; ADL; RSW. | suggest correction |
| D'ANNONE, NIKLAUS | Switzerland, fl.1678-1703, MIM | Astronomical Clock = BASH. | Basle. | Baillie 1; Britten. | suggest correction | |
| D. AND F. | England, c.1810, NIM PHIM | Hydrometer = D. | Dring and Fage. | RSW. | suggest correction | |
| D. AND S. | USA, -1866, MIM | Triangular Plotting Scale = P.C. | Darling and Schwartz. | Bangor, Maine. | G.L'E. Turner 24. | suggest correction |
| D. JAC. | Italy?, 1658, MIM | Plate for Equatorial Sundial, 1658 = NAC. | "D. Jac. in ordine cart. fecit anno 58." | Michel 3. | suggest correction | |
| D.A.V.M. | MIM | Universal Ring Dial = P.C. | bridge replaced by wire; similar instrument in Landau Coll. | RSW. | suggest correction | |
| D.B. 1 | David Beringer; see also D.B.F. | RSW. | suggest correction | |||
| D.B. 2 | Bobinger thought this was David Buschmann. | Evans 1; Bobinger 4. | suggest correction | |||
| D.B. PAT. | Germany; Austria, PHIM | Barometer, diagonal, No. 46 = GMM. | Munich; Innsbruck. | RSW. | suggest correction | |
| D.B.F. | MIM | Sundial, oval, portable = VNN; Compass Sundials = ADL-M263, Drouot 4/7/87, etc. | "D.B.f."; D.B. fecit; surely David Beringer, although Bobinger lists this as David Buschmann. | Nürnberg. | Zinner 1; Engelmann 1; Bobinger 2; Michel 3; ADL; RSW. | suggest correction |
| D.D. | Germany?, 1674, MIM | Sandglass, four-part, geared, 1674 = DRE. | RSW. | suggest correction | ||
| D.F. | England, c.1825, NIM | scale on an octant is marked "D.F." with a fouled anchor, Dring and Fage. | London. | Brewington 1. | suggest correction | |
| D.G. | 1573, MIM | Pillar Sundial, ivory, 1573 = STS. | Zinner 1. | suggest correction | ||
| D.G.B.F. | Italy, 1641, MIM | Diptych Sundial, ivory, 1641 = Drecker Coll. = DPW. | the dial has a cardboard lunar volvelle. | RSW. | suggest correction | |
| D.H.S./B.A.D. | 1693, MIM | Garden Sundial, stone, 1693 = NOR. | "D.H.S." over "B.A.D." | RSW. | suggest correction | |
| D.I.V. | 1692, MIM SIM | Circumferentor, 1692 = Soth. 3/17/38 = Kenney Sale = DPW. | Kenney gives "I.D.V." but Exhibition-Maps gives "D.I.V." | Exhibition-Maps; RSW. | suggest correction | |
| D.K. 1 | Germany, fl.1707-13, MIM | Table Sundial, stone 1707 = MUN; Vertical Sundial, stone, 1713 = Landshut Isar Museum. | Zinner 1. | suggest correction | ||
| D.K. 2 | France, 18th Century, MIM | Horizontal Sundial, paper dial plate, in boxwood case = Lausanne Palais Rumine. | Strasbourg. | Zinner 1. | suggest correction | |
| D.K. 3 | see the entry "I." (2). | RSW. | suggest correction | |||
| D.N. | France, 17th Century, MIM | Diptych Sundial, ivory = Nouveau Drouot 5/20/88. | "D.N." is punchmark on back. | RSW. | suggest correction | |
| D.N.J. | 1693, MIM | Universal Ring Sundial, 1693 = DEU-26897. | RSW. | suggest correction | ||
| D.N.S. | see "DNS." | Engelmann 1; ADL; RSW. | suggest correction | |||
| D.P. | Germany?, 1664, MIM | Cruciform Sundial, 1664 = White Coll. = WHI (FIT). | Bryden 16; Evans 1. | suggest correction | ||
| D.Q. | 1754, MIM | Horary Quadrant, 1754 = USNM. | Capuchin sundial on reverse. | USNM. | suggest correction | |
| D.R.P. | Italy?, PHIM | Barometer = FLM. | Bonelli 4. | suggest correction | ||
| D.S. | see Dom Stefano Bonsignori. | Michel 3. | suggest correction | |||
| D.S.B.F.F. | Italy?, MIM | Sun and Moon Dial = FLO-2499. | for 40°30'; Don Stephano Buonsignori? | Florence? | Bonelli 1. | suggest correction |
| D.S.F.F. | Italy?, 1587, MIM | Polyhedral Sundial, 1587 = FLO-2456. | Don Stephano Buonsignori? | Florence? | Bonelli 1; Michel 3; Italian Inventory; A.J. Turner 10.. | suggest correction |
| DABNEY, JOHN, JR. | England; USA, fl.1739-43, MIM | apprenticed to Jonathan Sisson; came to Boston, Mass. in 1739; met Rowland Houghton; repaired instruments for Harvard College. | Mr. Rowland Houghton's Shop, the north side of the Town House (1739-43); Milk Street (1743); both in Boston, Mass. (1743). | Bedini 1, 8 & 13; USNM. | suggest correction | |
| DAFFNAY, JOANNES | 1743, MIM SIM | Circumferentor, 1743 = BMR. | RSW. | suggest correction | ||
| DAGGER, D.D. FRANCISCUS LEONARDUS | Austria, 1729, MIM | Table Sundial, stone, 1729 = SLM. | Zinner 1; Haupolter. | suggest correction | ||
| DAGLISH, R. | England, c.1780, MIM SIM | Surveying Compass = P.C. | Orell near Wigan. | RSW. | suggest correction | |
| DAGUET, THEODORE | Switzerland, b.1795, OIM | made optical lenses. | Solothurn. | USNM; Exhibition of the Industries of the World, N.Y., 1853. | suggest correction | |
| DAKIN, JONATHAN | USA, c.1745, PHIM | balance maker. | Sign of the Hand and Beam, Boston, Mass. | Bedini 1. | suggest correction | |
| DALE, E.R. | England, c.1770, NIM | Backstaff = Phillips-NE 7/19/93. | may be owner. | ATG 7/10/93. | suggest correction | |
| DALE, JOHN | England, 1661, MIM | set up two sundials in the quadrangle of St. John's College, Oxford in 1661; he was a fellow there. | Oxford. | Beeson. | suggest correction | |
| DALE, THOMAS | England, MIM | Sundial = Museum of Science and Industry, Oslo. | Bath. | Dr. Johan Knap, Antiquarian Horology, Sept. 1970. | suggest correction | |
| DALES, CHARLES | England, MIM | Heliochronometer = Soth. 7/10/67. | signed "optician"; perhaps only a dealer. | Bournemouth. | RSW. | suggest correction |
| DALLAND | England, OIM | Telescope = OMM. | misreading for Dollond. | London. | RSW. | suggest correction |
| DALLAWAY 1 | England, MIM | Compass Sundial = Soth. 2/9/56; Map Measurer = Phillips 4/20/83. | see Joseph James Dallaway. | London. | RSW. | suggest correction |
| DALLAWAY 2 | England, PHIM | Stick Barometer = X. | could be Dallaway 3 or 4. | Goodison 1; RSW.. | suggest correction | |
| DALLAWAY 3 | England, c.1775, PHIM | Wheel Barometers = X, Soth. 1/19/73. | optician. | Cheltenham. | Goodison 1; RSW. | suggest correction |
| DALLAWAY 4 | England, PHIM | Stick Barometer = Christie 5/26/76. | Bath. | RSW. | suggest correction | |
| DALLAWAY, I. | England, PHIM | Stick Barometer = Soth. Wilkinson and Hodge 12/18/24. | Stroud. | RSW. | suggest correction | |
| DALLAWAY, JOSEPH JAMES | England, fl.1799-1809, MIM OIM | apprenticed to Edward Troughton in the Grocers' Company on June 4, 1789; free of the Company on May 2, 1799; optician; T.C.; invented a map pedometer. | 4 George Lane, Botolph Lane (1802); 147 Tottenham Court Road (1805-09); both in London. | Goodison 1; J. Brown 1; Crawforth 1. | suggest correction | |
| DALLMEYER, JOHN HENRY | England, c.1850, OIM | Telescope, 4-draw = FRK-T92; Telescopes = Christie 12/17/75, Phillips 2/14/79. | issued a catalogue as late as 1865. | London. | Frank; Clarke et al; RSW. | suggest correction |
| DALTON, JOHN | England, c.1850, NIM | Hadley's Quadrant = PEA. | Hartlepool. | Brewington 1. | suggest correction | |
| DAM, JAN VAN DEN | Holland, fl.1738-73, MIM | Orrery, 1756 = AMST. | Michel thought this orrery was at the University of Amsterdam. | Amsterdam. | Rooseboom 1; Mörzer Bruyns 1 & 2; Michel 3. | suggest correction |
| DAME, RICHARD | USA, c.1840, MIM | made rulers. | Hanover, N.H. | DATM. | suggest correction | |
| DAMERIN, MAISON | Belgium, MIM SIM | Graphometer = Auction, Chartres 6/10/79. | House of Damérin. | Brussels. | RSW. | suggest correction |
| DAMMESTARRE | Holland?, MIM | Planetarium Clock = LEY. | RSW. | suggest correction | ||
| DANBY, JOHN | England, c.1737, | apprenticed to John Farmer 2 in the Joiners' Company on Feb. 14, 1737. | Crawforth 7. | suggest correction | ||
| DANCE, J.B. | misreading for John Benjamin Dancer. | RSW. | suggest correction | |||
| DANCER 1 | England, OIM PHIM | Stick Barometer, with Thermometer = K. and C. 12/3/75; Optical Square = OXF. | Abraham or John Benjamin Dancer. | Manchester. | RSW. | suggest correction |
| DANCER 2 | see Abraham and Dancer. | suggest correction | ||||
| DANCER AND ABRAHAM | England, c.1843, | surely Abraham and Dancer. | Manchester. | Alker. | suggest correction | |
| DANCER AND SONS | England, fl.1800-10, MIM OIM | Michael Dancer and his sons. | 55 Great Sutton Street; 53 Red Lion Street; both in Clerkenwell, London. | Taylor 2(1112). | suggest correction | |
| DANCER, ABRAHAM | England, fl.1838-42, OIM | probably Abraham and Dancer. | 13 Cross Street, King Street, Manchester. | Taylor 2(2110); Clay and Court. | suggest correction | |
| DANCER, E.E., AND CO. | England, fl.1878-1900, OIM | daughter of J.B. Dancer; succeeded him in 1878 when he retired; firm was taken over in 1900 by Richard Suter. | Manchester. | Soth. 3/25/86. | suggest correction | |
| DANCER, J.B., AND CO. | England, fl.1883-1884, MIM OIM PHIM | John Benjamin Dancer and Co. | Manchester. | Alker and Osborne. | suggest correction | |
| DANCER, JOHN BENJAMIN | England, b.1812 d.1887 fl.1835-81, MIM NIM OIM PHIM | wide range of instruments that may be seen in many museums, including a microscope, balance and rule, all in silver, at College of Technology, Manchester, thermometers at Manchester Literary and Philosophical Society, and 2 microscopes at KEN, etc. | his father, Josiah, and his grandfather were instrument makers; partner of Abrahah Abraham in Manchester (1841-44); made instruments for Joule; T.C.; also signed " J.B. Dancer"; "Optician"; "By appointment to Her Majesty's Commissioners." | Liverpool; 13 Cross Street, King Street (1835-45); 43 Cross Street, King Street (1848-81); both in Manchester. | Taylor 2(1525); Calvert 2; Clay and Court; Lowery; Ashworth; Alker and Osborne; Goodison 1; KEN; G.L'E. Turner 24; RSW; Coffeen B; Bryden 9; Collins 1; Clarke et al. | suggest correction |
| DANCER, JOSIAH | England, fl.1810-35, OIM | father of John Benjamin Dancer who succeeded him in 1835. | Liverpool. | Taylor 2(1304); Clay and Court. | suggest correction | |
| DANCER, MICHAEL | England, fl.1776-1810, MIM | apprenticed to Robert Tangate 1 in the Joiners' Company on Dec. 2, 1766; free in the Company, Sept. 3, 1776; took apprentices. | Bride Lane (1776); Bangor ourt, Shoe Lane, Holborn (1781); New Street Square (1788); Blewitt's Buildings, Fetter Lane (1793); Rosomond Street, Clerkenwell (1796-1800); Red Lion Street, Clerkenwell (1801); 55 Great Sutton Street, Clerkenwell (1810); all in london. | Taylor 2(947); Dewhirst; Daumas 1; Clay and Court; Crawforth 7. | suggest correction | |
| DANCKERTS, JUSTUS | Holland, 1635-1701, MIM | Globe, glass = VIE. | globemaker, engraver, map seller; also see Justinius Dankerts. | Calverstraat, Amsterdam. | Michel 3; Alker; Tooley; Globus, Dec. 1956; RSW. | suggest correction |
| DANESI, PIETRO PAOLO | Italy; Paraguay, 1719-69, MIM | made sundials in Paraguay. | Babuco, Italy. | Morpurgo 1. | suggest correction | |
| DANFRIE, PHILIPPE | France, 1525-1608, MIM SIM | Astrolabe = BM; Astrolabes, wood and paper = PSH (1578); Astrolabes, 1584 = OXF, P. and S. 11/21/1894, Soth. 10/31/66, Soth. 6/2/87; Graphometers = P.C., Soth. 6/23/87, D.(1970), Prin Coll. = NMM; Theodolite (incomplete) = ADL-M187; Trigonometers = BMR, MAD, NMM; Armillary Spheres = MADEX (1602), OXFB; Sundial, silver-gilt = Evans Coll.; Circumferentors = HAK (1608), WHI; etc. | invented the graphometer; author; Jehan Moreau reprinted the paper astrolabe of 1584 in 1622, which see. | à l'Enseigne du Mirouer, rue des Carmes, Paris; Rouen (1608). | Daumas 1; Price 1 and 3; Ward 4; ICA 2; Gunther 1 and 6; Michel 1 and 3; Engelmann 1; Josten; Belgian Inv.; Nachet; USNM; Hamilton 2; Whipple 1; MADEX; Paris 1900; Société Belge; J.A. Bennett 2; A.J. Turner 10; Gibbs 2; USNM; ADL; RSW. | suggest correction |
| DANGELO AND CADENAZZI | England, PHIM | Wheel Barometer = X. | Winchester. | Goodison 1. | suggest correction | |
| DANGELO, G. | England, PHIM | Wheel Barometer = X. | Basingstoke. | Goodison 1. | suggest correction | |
| DANIEL, HENRY | England, c.1687, | apprenticed to Thomas Walpole in the Grocers' Company on April 4, 1687. | J. Brown 1. | suggest correction | ||
| DANIEL, JOHANN | Germany, 178?, PHIM | Balance = Christie-SK 12/1/83; Coin Balances = D. and D.(1986). | in der Bergischen Hauptstadt, Lennep. | Coffeen II; Wynter 1; RSW. | suggest correction | |
| DANIELL, EDWARD | England, c.1686, MIM | apprenticed by turnover to James Atkinson of the Clockmakers' Company on Sept. 6, 1686. | J. Brown 3. | suggest correction | ||
| DANIELL, JOHN FREDERICK | England, 1790-1845, PHIM | Hygrometer = WHI. | inventor of the Daniell cell, the register pyrometer and the Daniell hygrometer; first professor of chemistry at King's College, London.. | London. | USNM; Whipple 1; Middleton 1; Coffeen 56. | suggest correction |
| DANIELL, WILLIAM | England, fl.1632-70, MIM | Quadrant Sundial, 1665 = OXF; Horary Quadrant, 1663 = X. | member of the Clockmakers' Company, 1632; also made watch cases. | Sign of the Golden Ball, Ivy Bridge, Strand, London. | Taylor 1(172); Michel 3; Evans 1; USNM; Gunther 6. | suggest correction |
| DANIELS, AUGUSTUS | Austria, c.1765, MIM | Sundial = P.C. | Vienna. | USNM. | suggest correction | |
| DANKBAAR | Holland, 1789, NIM | Cross-staff, 1789 = BMR. | see L. Dankbaar. | Belgian Inventory; Société Belge; Mörzer Bruyns 2. | suggest correction | |
| DANKBAAR, L. | Holland, fl.1783-98, MIM NIM | Instrument = Schloss near Feidestock; Cross-staves = Haeberlin-Friesen Museum (1783), Heimatmuseum, Bremen-Schönebeck (1790), OMM (1798). | see Dankbaar. | Fiedestock. | Mörzer Bruyns 1 & 2. | suggest correction |
| DANKERTS, JUSTINUS | Holland, 1616, NIM | Compass Rose, 1616 = Hamburg State Archives. | may be related to Justus Danckerts, which see. | Amsterdam. | Schück 2; RSW. | suggest correction |
| DANNELLI | England, c.1850, PHIM | see Vittory and Dannelli. | Manchester. | RSW. | suggest correction | |
| DANNER, JACOB | USA, 1765-1850, MIM | probably father of Jacob Sensensy Danner, which see; also clock maker and silversmith. | Middletown, Va. | Smart 1. | suggest correction | |
| DANNER, JACOB SENSENSY | USA, 1807-77, MIM SIM | Surveying Compasses = USNM, Winchester-Frederick Historical Society, Va. | probably son of Jacob Danner; type invented by S. Kern. | Middletown, Va. | Smart 1; USNM. | suggest correction |
| DANTI DEL RINALDI, PIERVINCENZO | see Pier Vincenzo Danti. | suggest correction | ||||
| DANTI, EGNATI | Italy, 1747, MIM | Armillary Sphere, 1747 = VNN. | probably a fake. | RSW. | suggest correction | |
| DANTI, F. EGNAZIO | Italy, 1537-86, MIM | Astrolabe, 1568 = GEP; Astrolabes = DRE (ICA-181), NMM (ICA-427), Roussel = OXF (ICA-180); Armillary Sphere and Horary Quadrant = Santa Maria Novella, Florence; Terrestrial Globe = Palazzo Vecchio, Florence. | see "F.E.D.P.F." | Perugia; Florence (1562); Bologna (1573); Alatri (1583). | Bonelli 1, 6 and 7; Gunther 1 and 6; Price 1; ICA 2; Italian Inventory; Michel 1 and 3; Nachet; Morpurgo 1; Globus, June 1963; Settle 1; DSB; A.J. Turner 10; RSW. | suggest correction |
| DANTI, GIROLAMO | Italy, c.1550, MIM | brother of Egnazio Danti, helped him with the maps in the Vatican. | Perugia. | Michel 3. | suggest correction | |
| DANTI, GIULIO | Italy, 1500-73, MIM | son of Pier Vicenzo Danti and father of Egnazio Danti; goldsmith and architect. | Perugia. | Michel 3. | suggest correction | |
| DANTI, PIER VINCENZO | Italy, fl.1488-1522, MIM | Astrolabe = HAK (ICA-171). | grandfather of Egnazio Danti; the astrolabe in the Adler planetarium, ADL-DPW51, is a copy of the instrument in HAK. | Perugia. | Price 1; ICA 2; Gunther 1; Michel 3; ADL; RSW. | suggest correction |
| DANTIS, EGNAZIO | Cube Sundial, 1665 = BAR. | fake. | Pisa. | Catalogo Generale; RSW. | suggest correction | |
| DANTIS, G.B. | Italy, MIM | Compass with handle = BAR. | fake? | Pisa. | RSW. | suggest correction |
| DANVER, I.L. | USA, MIM SIM | Surveying Compass = Winchester-Frederick Historical Society, Va. | Middletown, Va. | USNM. | suggest correction | |
| DANVERS | USA?, 1775, MIM | Horary Quadrant, wood, 1775 = PEA. | RSW. | suggest correction | ||
| DARDENNE | France, c.1750, NIM | Octant = PMM. | Nantes. | Daumas 1; MADEX; Paris 1900; RSW. | suggest correction | |
| DARKER, C. | England, PHIM | Light Defractor = P. and S. 6/18/1894. | Lambeth (London). | RSW. | suggest correction | |
| DARKER, C. AND F. | England, PHIM | Kaleidoscope = WHI. | Whipple 1. | suggest correction | ||
| DARKER, W.H. | England, c.1850, | Pyrometer = D. | Paradise Street, Lambeth (London). | Weil 2(23). | suggest correction | |
| DARLET, THOMAS | England, 1769, NIM | Octant, 1769 = MYS. | Price 2. | suggest correction | ||
| DARLEY, JOHN | USA, 1721, NIM | Backstaff, 1721 = Auction, Honfleur 6/17/79 = D.(1983) = D.(1988). | M.A.D., Nov. 1983; Rinaldi 22; RSW. | suggest correction | ||
| DARLEY, THOMAS | 1769, NIM | Backstaff, 1769 = P.C. | RSW. | suggest correction | ||
| DARLING AND SCHWARTZ | USA, -1866, MIM | made rules; see D. and S. | Bangor, Maine. | G.L'E. Turner 24. | suggest correction | |
| DARLING, BROWN AND SHARPE | USA, MIM | made rules, squares, etc. | Providence, R.I. | USNM. | suggest correction | |
| DARLING, SAMUEL | USA, c.1833, MIM | rule maker; see Darling, Brown and Sharpe. | Portland, Me. | Bedini 8. | suggest correction | |
| DARLOT | France, c.1865, OIM | succeeded Maison Jamin, pre-1865. | Paris. | USNM. | suggest correction | |
| DASYPODIUS, KONRAD | France, 1531-c.1583, MIM | Celestial Globe = STR; Wall Sundial = Giebelfeld. | made a planetarium and an astronomical clock in 1574; nom de plume of Konrad Hasenfratz. | Strasburg. | Zinner 1; Boffito; Baillie 1; Globus, Dec. 1956; Dawson 217, (1971); Tooley; DSB. | suggest correction |
| DATHEE, ALEXANDRE ET JEAN | France, fl.1769-72, OIM | Alexandre et Jean Dathée. | Quai de l'Horloge, Paris. | Daumas 1; Nachet. | suggest correction | |
| DAUTHIAU | France, fl.1735-67, MIM | Astronomical Clock with Armillary Sphere, 1749 = X. | designed by Passement. | Paris. | Baillie 1; Bertele 2. | suggest correction |
| DAVANS | see Dawans. | Rooseboom 1. | suggest correction | |||
| DAVENPORT, ANTHONY | USA, fl.1823-38, MIM NIM SIM | Surveying Compass = P.C. | T.C. | Sign of the Quadrant and Compass, 10 Jones Row, Exchange Street, Portland, Maine. | Bowditch; USNM; Wind Rose Vol. 18, No.2, April, 1987; D.J. Warner 7 & 10. | suggest correction |
| DAVENPORT, J. | USA, fl.1856-57, MIM NIM PHIM | may be James M. Davenport; may be J. Davenport in S. and J. M. Davenport, which see. | Philadelphia, Pa. | USNM. | suggest correction | |
| DAVENPORT, JAMES M. | USA, fl.1835-37, MIM | 144 Race Street, Philadelphia, Pa. | Smart 1. | suggest correction | ||
| DAVENPORT, QUINCY AND CO. | USA, c.1846, | were agents for James McCoskrie. | 81 John Street, New York, N.Y. | USNM. | suggest correction | |
| DAVENPORT, ROBERT | England; Scotland, fl.1635-c.1650, MIM | Oughtred Double Horizontal Sundial with Circles of Proportion on reverse = Christie 12/12/72 = RSM. | apprenticed to Elias Allen of the Grocers' Company on March 25, 1623; free of the Grocers' Company on Nov. 25, 1635; he received permission to settle in Edinburgh in 1647. | London (1635); Edinburgh (1647). | J. Brown 1; Bryden 15; Wynter and Turner; RSW. | suggest correction |
| DAVENPORT, S. AND J. | see S. and J.M. Davenport. | suggest correction | ||||
| DAVENPORT, S. AND J.M. | USA, fl.1830-38, MIM OIM SIM | Plane Table Azimuth Compass, case = P.-B. 9/24/38. | shop called "William Davenport, sign of the Quadrant; S. and James M. Davenport; probably sons of William Davenport. | Front Street, Philadelphia, Pa. | Smart 1; USNM; Brewington 1; RSW. | suggest correction |
| DAVENPORT, STEPHEN 1 | England, fl.1720-37, MIM PHIM | made air pumps, barometers, etc.; T.C.; author; may be same man as Stephen Davenport 2. | against the Distillery, High Holborn, near Drury Lane; Smarts Building, Cole Yard in High Holborn near Drury Lane; both in London. | Dewhirst; Clay and Court; Taylor 2(160); Calvert 2; Daumas 1; Crawforth 1 and 7. | suggest correction | |
| DAVENPORT, STEPHEN 2 | England, fl.1725-57, MIM | apprenticed to John Hodgkin in the Joiners' Company, Sept. 6, 1715; free in the Company, Sept. 7, 1725; may be same as Stephen Davenport 1. | London. | Crawforth 7. | suggest correction | |
| DAVENPORT, WILLIAM | USA, 1778-1829, MIM NIM SIM | Artillery Instrument = D.; Magnetic Compass = Old Gaol Museum, York, Maine; Surveying Compasses = PEA, GUR, Michigan State U. Museum, Lansing, Old Gaol Museum, York, Maine, Mercer Museum, Pa. | apprenticed to William Dean; made nautical compasses. | 43 South Front Street (1802-03); 45 South Front Street (1805-14); 25 South Front Street (1816-29); all in Philadelphia, Pa. | Bedini 1 & 8; Smart 1; USNM; Brewington 1; D.J. Warner 10 and 12; DATM; RSW. | suggest correction |
| DAVEY | England, c.1850, PHIM | Stick Barometer = Soth. 10/19/87. | Lewes. | RSW. | suggest correction | |
| DAVID, I. | Poland, 1638, MIM | Sectors = Museum, Torun (1638), SWE (1640); Protractor = Museum, Torun. | Gdansk. | Polish Inventory. | suggest correction | |
| DAVID, J. | England, MIM | see John Davis 3. | Windsor. | Taylor 2(1823); Daumas 1. | suggest correction | |
| DAVID, JACOB | Holland, b.1607 fl.1637, MIM | son of Jan David. | Leyden. | Rooseboom 1; Pipping 1. | suggest correction | |
| DAVID, JAN | Holland, fl.1640-50, MIM SIM | Astrolabes = Auction, 1799; Circumferentors = SWE (1640), SKO (1640, 1641), P.C., West Friese Museum, Hoorn; Marine Compass = Auction, 1981; Sector = SWE. | father of Jacob David; made sectors, including one for Hevelius. | Leiden. | Rooseboom 1; Mörzer Bruyns 2; Pipping 1; Hollands Glorie; Price 2; Daumas 1; RSW. | suggest correction |
| DAVID, PATER CAJETANO CAPUC. | Austria, 1726-96, MIM | Table Sundials, stone = SLM (1735), MUN (1737), ADL-M282 (1742), SLM (1750), DEU, Soth. 12/12/55 (1750), SLM(3), Berchtesgarden, ROU; Astronomical Clock = Schwartzenberg Coll. | alias for Sebastian Rutschmann; worked with Joseph Rutschmann. | Lembach; Vienna. | Zinner 1; Engelmann 1; Michel 3; Britten; Haupolter; ADL; RSW. | suggest correction |
| DAVIDSON, D. | England?, 1781, MIM | Polyhedral Sundial, stone, 1781 = EMA. | RSW. | suggest correction | ||
| DAVIDSON, F., AND CO. | England, OIM PHIM | Telescope, refracting = FRK-T181; Telescope, sighting = Christie-SK 11/15/79; Barometer, Liègeois = P.C. | 29 Great Portland Street, London. | Frank; G.L'E. Turner 24; RSW. | suggest correction | |
| DAVIDSON, GEORGE | USA, 1825-1911, NIM | Octant = USNM. | moved to Washington, D.C. in late 1840's; sextant mentioned in Journal of Franklin Institute, 1866. | Philadelphia, Pa; Washington, D.C. | USNM. | suggest correction |
| DAVIDSON, H. | USA, c.1864, MIM | made rules; "H. Davidson Maker/N.Y." | N.Y. | DATM. | suggest correction | |
| DAVIDSON, THOMAS | Scotland, fl.1836-45, MIM OIM | see Thomas Davidson and Co; worked for John Davis 5, 1836-38 and for Robert Bryson 1, c.1838. | 12 Royal Exchange (1840-43); 63 Prnces Street (1844); 67 Canongate (1845); all in Edinburgh. | Bryden 3; Clarke et al. | suggest correction | |
| DAVIDSON, THOMAS, AND CO. | Scotland, fl.1848-53, OIM | see Thomas Davidson. | 29 Haddington Place (1848-49); 187 High Street (1850-51); 4 Infirmary Street (1852-53); all in Edinburgh. | Bryden 3. | suggest correction | |
| DAVIES | England, PHIM | Wheel Barometer = X. | Edward or James Davies? | Liverpool. | Goodison 1. | suggest correction |
| DAVIES AND CO. | England, MIM | Universal Ring Dial, on tripod = Christie 7/28/70. | Liverpool. | RSW. | suggest correction | |
| DAVIES AND MERRILL | see Merrill and Davis. | Moskowitz 103. | suggest correction | |||
| DAVIES, ALFRED, AND CO. | England, PHIM | Stick Barometer = VNN. | London. | RSW. | suggest correction | |
| DAVIES, D. | Scotland, fl.1823-32, MIM OIM | 110 Nelson Street (1823-25); 98 Trongate (1826-32); both in Edinburgh. | Bryden 3. | suggest correction | ||
| DAVIES, EDWARD | England, c.1835, OIM PHIM | optician; barometer maker? | 65 Bold Street, Liverpool. | Goodison 1. | suggest correction | |
| DAVIES, GABRIEL | England, fl. pre-1822-53, OIM PHIM | Stick Barometer = X. | also made hydrographical instruments. | Sadley Street, Durham City; 20 Boar Lane (1822); 34 Boar Lane (1826-53); last two both in Leeds. | Goodison 1; Taylor 2(1527). | suggest correction |
| DAVIES, J. | England, c.1850, PHIM | Stick Barometer = D.(1996). | London. | ATG 6/22/96. | suggest correction | |
| DAVIES, JAMES 1 | England, fl.1787-99, MIM | Perpetual Calendar Discs, 1789, 1792-95, 1799 = BM (11); Perpetual Calendar Disc, 1787 = P.C. | Birmingham. | Price 3; Ward 4; RSW. | suggest correction | |
| DAVIES, JAMES 2 | England, c.1835, OIM PHIM | optician; barometer maker? | 51 Paradise Street, Liverpool. | Goodison 1. | suggest correction | |
| DAVIES, JOHN 1 | England, c.1773, | apprenticed to Tycho Wing in the Grocers' Company on Feb. 4, 1773; may be same as John Davies 2. | J. Brown 1. | suggest correction | ||
| DAVIES, JOHN 2 | England, fl.1818-27, OIM | may be same as John Davies 1. | 10 High Street, Marylebone, London. | Taylor 2(1307); J. Brown 1. | suggest correction | |
| DAVIES, JOHN 3 | England, c.1825, PHIM | Barometer = Nat'l Museum of Wales. | also made long case clocks. | St. Harmons, Radnor. | Peate. | suggest correction |
| DAVIES, JOHN 4 | Scotland, | "optician"; see John Davis 5. | Edinburgh. | Clarke et al. | suggest correction | |
| DAVIES, M. | England, c.1820, OIM | 101 High Street, Marylebone, London. | Taylor 2(1307). | suggest correction | ||
| DAVIES, OWEN | England, c.1835, PHIM | Stick Barometer = X. | Long Bridge?, Llanidloes. | Goodison 1. | suggest correction | |
| DAVIES, WILLIAM | England, 1670, MIM | Sundial, 1670 = X. | see Davys. | Clerkenwell, London. | Taylor 1(392). | suggest correction |
| DAVIES, WILLIAM C. | misreading for William C. Davis. | RSW. | suggest correction | |||
| DAVIS 1 | England, PHIM | Stick Barometer = X. | H. Davis? David Davis? | London. | Goodison 1. | suggest correction |
| DAVIS 2 | England, OIM | Telescopes, refracting = FRK-T169,T170. | probably John Davis 2. | Derby. | Frank. | suggest correction |
| DAVIS 3 | England, c.1830, OIM PHIM | Telescope = Cheltenham Museum; Telescope, miniature = DeLuca 8/1/87; Cary-type Microscope = Wellcome Institute; Wheel Barometer = X; Microscope, Carpenter-type = D.(1987). | optician; T.C.; may be Edward Davis; see Messrs. Davis. | Cheltenham; 6 Bold Street, Liverpool. | Goodison 1; Bryden 9; Coffeen 15; RSW. | suggest correction |
| DAVIS 4 | USA, c.1836, | see Merrill and Davis. | New York, N.Y. | RSW. | suggest correction | |
| DAVIS 5 | see Syeds and Davis. | suggest correction | ||||
| DAVIS AND SON | England, fl.1840-1850+, MIM PHIM SIM | Protractors, full = D.(1975), Christie-SK 6/2/83; Hedley Mining Compass = D.(1983); Surveying Instrument = Soth.? 12/8/69; Mining Anemometer = Phillips 2/2/84. | see John Davis 2. | London and Derby. | Coffeen D; Moskowitz; G.L'E. Turner 24; RSW. | suggest correction |
| DAVIS AND SONS | England, PHIM | Barometer = Christie-SK 12/1/83. | see John Davis 2. | Derby. | RSW. | suggest correction |
| DAVIS BROS. | England, fl.1820-60, MIM OIM | Walking Stick Telescope = Soth. 7/22/68. | T.C.; John 4 and ? Davis; sometimes written Davis' Brothers. | 33 New Bond Street (1820); manufactory, 209 High Holborn (1820); both in London; 1 Lower Terrace, Islington (1838). | Taylor 2(2113); Calvert 2; Crawforth 1. | suggest correction |
| DAVIS, A. | England, OIM | T.C.; spectacle maker. | 29 Warner Street, Portland Place, New Kent Road, London. | Calvert 2; Crawforth 1. | suggest correction | |
| DAVIS, ALBERT | England, | Clepsydra, 1671 = P.C. | modern work? | Norwich. | RSW. | suggest correction |
| DAVIS, ARI | USA, 1811-85, MIM NIM PHIM SIM | also a watchmaker and inventor; took Elias Howe as an apprentice from 1837-44 in Boston. | Princeton, Mass.; 87 Washington (1834); 11 Cornhill; 19 Court Square 75 Court (1839-45); all in Boston, Mass.; Lowell, Mass., (1845-85). | Smart 1; USNM. | suggest correction | |
| DAVIS, CLARA | England, c.1830, MIM OIM PHIM | 12 South Finsbury, London.. | Taylor 2(1824). | suggest correction | ||
| DAVIS, D. 1 | England, c.1765, OIM | Cuff-type Microscope = FRK-M42. | London. | Frank. | suggest correction | |
| DAVIS, D. 2 | Scotland, PHIM | Stick Barometer = X. | Glasgow. | Goodison 1. | suggest correction | |
| DAVIS, DANIEL, JR. | USA, 1813-87 fl.1834-49, MIM NIM PHIM | brother of Ari Davis; worked with him from 1834-49; succeeded by Palmer and Thomas Hall, 1849; made electrical apparatus. | Princeton, Mass. (1813); 11 Cornhill, Boston, Mass. (1834-52). | USNM; Romaine; D.J. Warner 6. | suggest correction | |
| DAVIS, DAVID | England, fl.1822-28, OIM | Microscope = Melun 4/24/83. | successor to H. Davis; signed "D. Davis"; see D. Davis 1. | 9 Macclesfield, Soho (1822-23); 28 Bury Street, St. Mary Axe (1828); both in London. | O'Mara; Goodison 1; Taylor 2(1529); RSW. | suggest correction |
| DAVIS, E. | England, PHIM | Stick Barometer = X. | optician. | Shrewsbury. | Goodison 1. | suggest correction |
| DAVIS, EDWARD | England, fl.1833-42, MIM OIM PHIM | optician; see Davis 4; see Messrs. Davis. | 171 High Street (1833); 101 High Street (1842); both in Cheltenham; 65 Bold Street, Liverpool (1842). | Bryden 9. | suggest correction | |
| DAVIS, ELIZABETH | England, c.1830, MIM | perhaps widow of David Davis, which see. | 9 Macclesfield Street, London. | Taylor 2(1529). | suggest correction | |
| DAVIS, G. 1 | England, c.1790, MIM NIM OIM PHIM SIM | Telescopic Level = Phillips 2/2/84; Hadley Quadrant = NMM; Pantograph = American Art Galleries 3/18/75; Wheel Barometers = Bolling Hall, Bradford, Soth. 1/10/90; Etui of Drawing Instruments = Christie-SK 2/9/84; Garden Sundial = NYM; Drafting Instrument = Burndy Library; Surveying Instrument = Soth. 10/27/69; Stick Barometer = Phillips-Leeds 6/24/87. | some sources thought he might be Gabriel Davies but this is improbable. | Leeds. | Goodison 1; Taylor 2(1527); USNM; RSW. | suggest correction |
| DAVIS, G. 2 | England, c.1800, MIM | London. | Evans 1. | suggest correction | ||
| DAVIS, G. AND E. | England, 19th Century, MIM SIM | Drawing Instrument Set, case = Soth.-B 9/15/76; Protractor, full, geared = Christie 4/3/85; Protractor, full = P.C.; Surveying Cross = Phillips 2/2/84. | see G. Davis 1. | Leeds. | RSW. | suggest correction |
| DAVIS, G.D. | England, 19th Century, MIM | Protractor with pivoted arm = Christie-SK 4/17/86. | Leeds. | RSW. | suggest correction | |
| DAVIS, GABRIEL | see Gabriel Davies. | Goodison 1. | suggest correction | |||
| DAVIS, H. | England, fl.1799-1822, OIM | succeeded by David Davis. | 8 Macclesfield Street, Soho, London (1799-1817). | Goodison 1; Taylor 2(1309). | suggest correction | |
| DAVIS, I. 1 | England, PHIM | Barometer = Soth. 7/15/66. | optician. | Leeds. | RSW. | suggest correction |
| DAVIS, I. 2 | see John Davis 3. | Chaldecott 1; KEN. | suggest correction | |||
| DAVIS, J. 1 | England, MIM SIM | Theodolites = Soth. 7/7/78 and 6/23/87; Prismatic Compasses = Soth. 4/22/65, Exhibition-Maps; 3-draw telescope=PC. | Cheltenham. | RSW; WEBDB. | suggest correction | |
| DAVIS, J. 2 | see John Davis 3. | Taylor 2(1823); Chaldecott 1; RSW; Daumas 1. | suggest correction | |||
| DAVIS, J. 3 | England, c.1830, MIM | Microscope = Soth. 3/10/87. | "Improved Compound Microscope"; see Davis 4, Messrs. Davis and Edward Davis. | 65 Bold Street, Liverpool. | RSW. | suggest correction |
| DAVIS, J., AND SONS | England, c.1850, MIM NIM | Marking Protractor = D.(1991). | probably John Davis 2. | Derby. | Gemmary III. | suggest correction |
| DAVIS, JAMES | England, 1783, MIM | Perpetual Calendar, 1783 = RSM. | Birmingham. | RSW. | suggest correction | |
| DAVIS, JOHN 1 | England, 1552-1605, | invented the Davis quadrant, or backstaff, in 1590; arctic explorer. | Sandridge, Devon. | Taylor 1(46); USNM; Daumas 1; Evans 1; Michel 3; King; G.L'E. Turner 24. | suggest correction | |
| DAVIS, JOHN 2 | England, fl.1830-51, MIM OIM PHIM SIM | Theodolite = Soth. 7/12/71; Anemometer = WHI; Microscope = Soth. 3/13/67; Telescopic Levels = D.(1969), Versailles 11/20/83; Miner's Surveying Compass = Phillips-Leeds 12/16/87. | optician; in 1851 Exhibition; signed "Davis, Derby" or "J. Davis, Derby." | 14 Iron Gate, Derby. | Bryden 9; Price 12; Taylor 2(1825); RSW. | suggest correction |
| DAVIS, JOHN 3 | England, c.1690, MIM | Odometer = Guildhall Exhibition, Windsor; Plummet Inclinometer = KEN; Horizontal Sundial = Soth. 12/8/69. | see I. Davis 2 and J. Davis 3; inclinometer is from George III Collection. | Windsor. | Chaldecott 1; Taylor 2(1823); Daumas 1; RSW. | suggest correction |
| DAVIS, JOHN 4 | England, fl.1820-42, MIM OIM | 33 New Bond Street, London. | O'Mara. | suggest correction | ||
| DAVIS, JOHN 5 | Scotland, fl. 1836-42, MIM OIM PHIM | Inclinable Sundials = FRK = RSM, Ships of the Sea Museum, Savannah, Ga.; Telescope = EGE; Stick Barometer = Phillips-E 7/25/86; Sympiesometer = X; Thermometer = Phillips-E 2/24/89. | usually signed "J. Davis Edinburgh"; barometer signed "J. Davis, Optician Edinburgh"; was he only a dealer? | 64 Princes Street (1836-40); 78 Princes Street (1841-42); both in Edinburgh. | Goodison 1; Egestorff; Bryden 3; Clarke et al; RSW. | suggest correction |
| DAVIS, JOHN 6 | England, c.1752, OIM | apprenticed to Edward Scarlett 2 in the Spectaclemakers' Company; admitted as a brother to the Company, 1752. | at Mr Scarlett's, the Archimedes and Globe, near Soho Square, London. | Robischon. | suggest correction | |
| DAVIS, JOHN 7 | England, 1685, | apprenticed to Daniel Quare 1 in the Clockmakers' Company, 1685; is he the same as John Davis 3. | J. Brown 3. | suggest correction | ||
| DAVIS, JOHN, AND SON | England, c.1850+, MIM PHIM SIM | Barometer = D.(1972); Stick Barometer = Soth.-S 1/27/88; Psychrometer = USNM; Compass = Phillips 4/20/83; Theodolite = Phillips 4/20/83. | T.C.; see John Davis 2. | London and Derby. | Middleton 4; RSW; USNM; G.L'E. Turner 24. | suggest correction |
| DAVIS, MESSRS. | England, c.1842, MIM OIM PHIM | Telescope, six-draw = KEN. | T.C.; see J. Davis 2, Davis 4 and Edward Davis. | 65 Bold Street, Liverpool and 101 High Street, Cheltenham. | Calvert 2; KEN. | suggest correction |
| DAVIS, SAMUEL | England, c.1770, MIM | rule maker. | Burry Street, Wolverhampton. | Bryden 9. | suggest correction | |
| DAVIS, WILLIAM 1 | Ireland, c.1790, MIM SIM | Circumferentor = Soth. 3/10/87. | No. 7, Portland Row, Dublin. | RSW. | suggest correction | |
| DAVIS, WILLIAM 2 | England, PHIM | Wheel Barometer = X. | Shiffnall. | Goodison 1. | suggest correction | |
| DAVIS, WILLIAM C. | USA, 1813-79 fl.1835-79, MIM NIM PHIM SIM | Surveying Compasses = GUR, P.C., New York State Museum, Historical Society of Plainfield, N.J., D.(1972), D.(1994). | all instruments signed "W.C. Davis"; partner of Merrill; see Merrill and Davis. | 36 Oak Street (1835-36); 157 South Street (1836-37); 255 Front Street (1837-38); 196 Water Street (1841-42); 302 Pearl Street (1878-79); all in New York, N.Y. | Smart 1; USNM; Brewington 1; Moskowitz 104; Garcelon 33; RSW. | suggest correction |
| DAVISON, THOMAS | England, c.1832, OIM | made a new form of reflecting telescope. | Taylor 2(1826). | suggest correction | ||
| DAVY, MICHAEL | England, c.1674, MIM | made gauges. | Evans 1. | suggest correction | ||
| DAVYS | England, fl.1676-77, MIM OIM | made instruments for Robert Hooke including a pole-telescope (partly made by Christopher Cock), a compass, rulers and telescope tubes; he may be same as William Davies, which see. | London. | Taylor 1(392). | suggest correction | |
| DAWANS, HENRIJ | Holland, fl.1758-69, MIM | The Hague. | Rooseboom 1. | suggest correction | ||
| DAWES | England, PHIM | Wheel Barometer = X. | Goodison 1. | suggest correction | ||
| DAWKINS, HENRY | USA, c.1740, | worked for Anthony Lamb as an engraver. | New York, N.Y. | Bedini 8. | suggest correction | |
| DAWSON 1 | Scotland, c.1790, PHIM | Stick Barometer = Christie-SK 10/20/89. | Perth. | RSW. | suggest correction | |
| DAWSON 2 | see Bywater, Dawson and Co.; see Dawson and Melling. | RSW. | suggest correction | |||
| DAWSON AND CO. | see Bywater, Dawson and Co. | Taylor 2(1288). | suggest correction | |||
| DAWSON AND MELLING | England, fl.1837, MIM OIM | agents for R.B. Bate. | 20 South Castle Street, Liverpool. | Taylor 2(2114); Crawforth 1. | suggest correction | |
| DAWSON, ALEXE | Ireland, OIM | in telescope case; owner? | Dublin. | NMM 2. | suggest correction | |
| DAWSON, GEORGE | England, c.1722, | apprenticed to Mark Rogers in the Joiners' Company on June 19, 1722. | Crawforth 7. | suggest correction | ||
| DAWSON, M. | England, post-1780, MIM | Quadrant = KEN. | invented by G. Beck, patented in 1780. | KEN. | suggest correction | |
| DAWSON, NATHAN | England, PHIM | Wheel Barometer = X. | Goodison 1. | suggest correction | ||
| DAWSON, THOMAS | England, c.1650, NIM | turned over his apprentice, Ralph Greatorex, to Elias Allen. | J. Brown 1. | suggest correction | ||
| DAWSON, WILLIAM | England, c.1818, MIM | rule and bed screw maker. | Hill Street, Birmingham. | Bryden 9. | suggest correction | |
| DAY | England, c.1840, PHIM | Thermometer = PEA. | Brewington 1. | suggest correction | ||
| DAY, FRANCIS | England, c.1810, MIM OIM | Terrestrial Globe, miniature, case = Soth. 7/31/67-2; Microscopes = FRK (2), Soth. 10/27/69, 3/23/70 and 10/28/86; Parallel Rule = D.(1970). | also signed as "F. Day." | 37 Poultry, London. | Frank; Moskowitz 101; USNM; RSW. | suggest correction |
| DAY, I. | England, OIM | Telescope, 4-draw = FRK-T156. | Frank. | suggest correction | ||
| DAY, ISAAC | England, c.1690, MIM | NMM 1. | suggest correction | |||
| DAY, JACOB | England, c.1694, MIM | son of Isaac Day. | NMM 1. | suggest correction | ||
| DAY, JOHN | England, c.1783, | apprenticed to John Blake in the Joiners' Company on May 20, 1783. | Crawforth 7. | suggest correction | ||
| DAY, W. | USA, 1850, OIM | patented a submarine telescope, 1850. | Brooklyn, N.Y. | USNM. | suggest correction | |
| DAY, WILLIAM | England, | see A. Martinelli and William Day and Co. | RSW. | suggest correction | ||
| DAYE | England?, 1678, MIM | Sector, boxwood, 1679 = HAR. | name is stamped; there is a perpetual calendar; might be owner. | Giordano X. | suggest correction | |
| DCC DVVV DIXVV | 1736, | Chalice Sundial, glass, 1736 = SLM. | chronogram. | RSW. | suggest correction | |
| DE BIE, C. | see Bie, C. de. | suggest correction | ||||
| DE DIN, PHILIS | France, 1595, MIM | Astrolabe, 1595 = P. and S. 6/18/1894 = OXF. | ICA 211; "Ich Toebehorre Philis de Din." | Lille. | Price 1; ICA 2; Gunther 1, 2 and 6; Evans 4. | suggest correction |
| DE GRAGE AND CO. | misreading for De Grave and Co. | Christie-SK 10/6/83. | suggest correction | |||
| DE GRAVE | England, PHIM | Balances = K. and C. 10/8/75, Versailles 11/20/83. | could be either Charles De Grave 1 or 2. | London. | RSW. | suggest correction |
| DE GRAVE AND CO. | England, c.1850, PHIM | Coin Balance, Avery-type = Soth. 6/23/87; Set of Balances, case = Phillips 2/14/79. | London. | RSW. | suggest correction | |
| DE GRAVE AND SAWGOOD | England, post-1821, PHIM | balance makers. | London. | Taylor 2(841). | suggest correction | |
| DE GRAVE AND SON | England, c.1799, PHIM | Diamond Balance = D.(1985). | probably Mary De Grave and her stepson, Charles De Grave 2; "Scale Makers." | corner of St. Ann's Lane, Aldersgate, London. | G.L'E. Turner 24; Coffeen 9. | suggest correction |
| DE GRAVE, CHARLES 1 | England, fl.1767-99, PHIM | Balances = D.(1981); Diamond Balance = Pym Sale. | partner with and successor to Samuel Read in 1780; T.C. "Scale maker to His Majesty"; "20 August 1789"; see De Grave; succeeded by his wife, Mary. | 59 (later 16) St Martin-Le-Grand, the corner of St Ann's Lane, Aldersgate, London. | G.L'E. Turner 24; Taylor 2(841); Moskowitz 126; RSW. | suggest correction |
| DE GRAVE, CHARLES 2 | England, c.1844, PHIM | maker of weights and balances; son of Mary and Charles De Grave 1; succeeded his mother in 1844; firm finally became De Grave, Short and Fanner; in 1920 the firm was taken over by W. and T. Avery. | London. | G.L'E. Turner 24. | suggest correction | |
| DE GRAVE, CHARLES, AND SON | England, fl.1793-1821, PHIM | Diamond Balance = D.(1985); Balances = OXF, KEN, WHI, etc. | one of the balances is dated 1821. | 59 (later 16) St Martin le Grand, corner of St. Ann's Lane, Aldersgate, London. | Coffeen 9; Taylor 2(841); Crawforth 6. | suggest correction |
| DE GRAVE, MARY | England, fl.1800-16, PHIM | Balance = X; Gold Balance = HAK. | succeeded her husband, Charles De Grave 1 in 1799; signed her balances "Widow of Charles De Grave"; see De Grave and Son. | No. 59 St. Martin Le Grand, corner of St. Anns Lane, Aldersgate, London. | Taylor 2(841); G.L'E. Turner 24; Crawforth 6; RSW. | suggest correction |
| DE GRAVE, SHORT AND CO. | England, c.1900, PHIM | Apothecary's Balance = Soth. 6/23/87. | continuation of the De Grave family business into the twentieth century. | RSW. | suggest correction | |
| DE GRAVE, SHORT AND FANNER | England, pre-1859-1962, MIM PHIM | Standard Yard = Christie 2/13/68. | Charles De Grave 2; firm taken over in 1920 by W. and T. Avery though old name lasted until 1962; made beam balances. | London. | G.L'E. Turner 24; RSW. | suggest correction |
| DE JONG EN BRUYN | Holland, c.1850, NIM | Azimuth Compass = AMST. | Amsterdam. | Mörzer Bruyns 1. | suggest correction | |
| DE L'ISLE, GUILLAUME | France, | see "Isle, Guillaume de l'." | RSW. | suggest correction | ||
| DE LA COUR | England, c.1850, PHIM | Stick Barometer = Soth. 2/19/87. | 327 and 59 High Street, Chatham. | RSW. | suggest correction | |
| DE LUC, JEAN ANDRE | Switzerland; England, 1727-1817, | Jean André De Luc; invented the first portable barometer, c.1750, and a type of hygrometer; author. | Geneva; Windsor. | Middleton 1 & 4; G.L'E. Turner 24; A.J. Turner 10. | suggest correction | |
| DE MORY, D. | USA, NIM | Octant = VNN. | 62 South Street, New York, N.Y. | RSW. | suggest correction | |
| DE MORY, GRAY AND W.D. ALDER | USA, NIM | Sextant = D.(1981). | T.C.; successors to George C. Baker; also made chronometers. | No. 62 South Street, near Wall, New York, N.Y. | RSW. | suggest correction |
| DE NEGANI | origin of Denegan, Donegan? | Bedini 1. | suggest correction | |||
| DE PALMA, FILIPPO | Italy; France; Austria1813-73, MIM PHIM | made a dividing engine and electrical apparatus. | Naples (1813); Florence (1861); Paris (1867); Vienna (1873). | Brenni 1. | suggest correction | |
| DE SAUSSURE, HORACE BENEDICK | Switzerland, 1740-99, | Horace Bénédick De Saussure; invented a type of hygrometer; suggested many improvements for meteorilogical instruments; professor of philosophy at Geneva; author; his collection of instruments is in the Museum of the History of Science, Geneva. | Geneva. | G.L'E. Turner 24; A.J. Turner 10; USNM. | suggest correction | |
| DE STEUR, JACOBUS | Holland, c.1675, MIM NIM SIM | Holland Circle = X; Circumferentor = D.(1960). | Leiden. | Bryden 9; Price 2. | suggest correction | |
| DE. D.S. ERG. C.H. | 1571, MIM | Diptych Sundial, ivory, 1571 = VIE-AR2655. | Zinner 4. | suggest correction | ||
| DEACON 1 | England, c.1834-35, MIM | made model of part of Babbage's computing machine. | Beaufort House, Strand, London. | Taylor 2(1828). | suggest correction | |
| DEACON 2 | England, PHIM | Stick Barometers = Leicester Museum, X; Wheel Barometer = SPI-Anderson 3/25/27. | could be Frederick or J. Deacon. | Leicester. | Goodison 1; RSW. | suggest correction |
| DEACON, FREDERICK | England, c.1822, PHIM | Stick Barometer = X. | barometer signed "F. Deacon, Leicester"; watch and clockmaker. | Market Place, Leicester. | Goodison 1. | suggest correction |
| DEACON, J. | England, fl.1795-1835, MIM PHIM | Wheel Barometer = Leicester Museum; Sundial = Phillips 7/17/85. | see Deacon 2. | Leicester. | Goodison 1; RSW. | suggest correction |
| DEACON, SAMUEL | England, 1746-1816, PHIM | Stick Barometer = Heathcote Ball and Co. 2/13/97. | brass plate to print barometer paper plates signed "S. Deacon Barton" in Leicester Museum; made barometers, clocks and watches. | Barton-in-the-Beans (1771+). | Goodison 1; Daniell; ATG 2/6/97. | suggest correction |
| DEAMER, JAMES | USA, fl.1823-28, MIM OIM PHIM | made, sold and repaired cases of mathematical instruments, barometers, thermometers, telescopes, microscopes, etc.; successor to J. Anderson, whipmaker. | 38 Maiden Lane, New York, N.Y. | USNM. | suggest correction | |
| DEAN, JAMES | USA, c.1830, | professor at the University of Vermont; invented a cometarium which was made by Aaron Willard, Jr. | D.J. Warner 6. | suggest correction | ||
| DEAN, JOHN | England, c.1828, MIM | 6 Fieldgate Street, Whitechapel, London. | O'Mara. | suggest correction | ||
| DEAN, PETER | England, c.1830, MIM OIM PHIM | Bear Yard, Lincoln's Inn, London. | Taylor 2(1531). | suggest correction | ||
| DEAN, WILLIAM | USA, fl.1778-97, MIM NIM OIM SIM | Surveying Compass = Clark County Historical Society, Ohio. | succeeded in business by William Davenport. | 43 South Front Street, Philadelphia, Pa. | Bedini 1; Smart 1; D.J. Warner 10. | suggest correction |
| DEANE | England, c.1730, NIM | Compass Rose = Soth. 6/1/88. | "Deane fecit"; possibly Ino. Deane. | RSW. | suggest correction | |
| DEANE, DAVID | England, fl.1735-77, OIM | apprenticed or turned over to Matthew Loft in the Spectaclemakers' Company, 1728; free of the Company in 1735; Master of the Company, 1760-61; signed the petition against Peter Dollond. | Smithfields, London (1764). | Taylor 2(161); Court and von Rohr 3(113); Robischon. | suggest correction | |
| DEANE, INO. | England, 1742, NIM | Backstaff, 1742 = D.(1974). | "Ino. Deane May 20 1742 IP." | Wynter 1. | suggest correction | |
| DEANE, WILLIAM | England, fl.1718-48, MIM SIM | Hodometer = WHI; Horizontal Sundials = KEN (1718),(stone), OXF, NMM, P.C., WHI; Universal Ring Sundials = VCW, NUR, KENNEY-140, BM, DEU, ROU-73; Sectors = ADL-M90, OXF; Gunners' Calipers = P.C. (1982), EGE, Christie-SK 4/17/86; Gunner's Scale = NMM; Gunter Quadrant with Sundial = WHI; etc. | apprenticed to John Rowley of the Broderers' Company, July 28, 1710; free in the Company Feb. 4, 1718; Master of the Company, 1747; took an apprentice; MIM to the Office of Ordnance. | Garden House, Crane Court, Fleet Street (1712); Golden Sphere in three Crane Court, Fleet Street; both in London. | Taylor 1(464) and 2(34); Bryden 16; Price 3 and 12; Ward 3 and 4; Michel 3; Dewhirst; Engelmann 1; Gunther 2 and 6; Nachet; Egestorff; KEN; Crawforth 6 & 7; ADL; RSW. | suggest correction |
| DEANS, JOHN | England, PHIM | Thermometer = Christie-SK 11/27/86. | on barometer by Lennie. | RSW. | suggest correction | |
| DEARBORN, WARREN | USA, 1802-63, MIM | made rulers, etc.; Dearborn and Skinner, cabinetmakers and planemakers. | Sandwich, N.H. | DATM. | suggest correction | |
| DEBOMBOURG, I. | France, c.1725, MIM | Protractor = D.(1993). | see Pierre Debombourg. | Lyon. | Coffeen 43. | suggest correction |
| DEBOMBOURG, PIERRE | France, 18th Century, MIM | Augsburg-type Sundial = LOU; Butterfield-type Sundial = LOU; Compass Sundial, square = Ernst Coll.(HAR); Horizontal Sundial = P.C. | see I. Debombourg. | Lyon. | Wheatland 2; Coffeen 43; RSW. | suggest correction |
| DEBONNAIRE, MR. | 1647, MIM | Horizontal Sundial, 1647 = ADL-M271. | Engelmann 1; ADL; RSW. | suggest correction | ||
| DECHALES, CLAUDE FRANCOIS MILLIET | France; Italy, 1621-78, MIM | Claude François Milliet Dechales; compass maker; author. | Paris; Turin. | Schück; DSB. | suggest correction | |
| DECK | England, PHIM | Stick Barometer = X. | see I. Deck. | Leamington. | Goodison 1; RSW. | suggest correction |
| DECK, I. | England, PHIM | Wheel Barometer = Christie-SK 11/27/86. | may be same as Deck of Leamington. | Cambridge. | RSW. | suggest correction |
| DECOOL, J.F. | Belgium, c.1805, MIM | Astronomical Clock = P.C. = BMR. | Namur. | Société Belge; ART. | suggest correction | |
| DEE, J. | England, PHIM | Wheel Barometer = X. | Skipton. | Goodison 1. | suggest correction | |
| DEEMS | misreading for Deens. | Daumas 1. | suggest correction | |||
| DEENS, INDOCUS | misreading for Jodocus Deens. | P. and S. 4/3/1894. | suggest correction | |||
| DEENS, JODOCUS | Belgium; Austria, c.1682, MIM SIM | Graphometers = KEN (1682), VIT; Universal Ring Dials = VIU, P. and S. 4/3/1894, Soth. 10/17/60. | graphometers made in Vienna; Daumas thought it was "Deems". | Louvain; Vienna. | Daumas 1; Evans 1; Michel 3; Gunther 2; Kirnbauer 2. | suggest correction |
| DEFORGES L'AINE | France, 1744, MIM | Polyhedral Sundial, marble, 1744 = ADL-M328. | "Deforges l'aîné fecit." | tools, stars, comet, etc, carved in relief and colored, on the sides; owned by Heilbronner. | Engelmann 1; ADL; RSW. | suggest correction |
| DEGENAUR, PIETER DIRCKZ | Germany?, NIM | Compass Rose, paper = GMM. | RSW. | suggest correction | ||
| DEGERMAN, O.N. | Holland, 1756, OIM | Solar Microscope, 1756 = CRI-345 = KEN. | Rooseboom 1; Nachet; KEN. | suggest correction | ||
| DEGREZ | Sundial = Drouot 11/14/68. | probably misreading for "degrees." | RSW. | suggest correction | ||
| DEICHMANN, L. | Germany, MIM | Diptych Sundial, wood = Geographische Institut, Hamburg; Tellurian = DEU. | sundial is for 51°19'. | Kassel. | RSW. | suggest correction |
| DEIJL, HARMANUS VAN 1 | Holland, 1705, OIM | Telescope, 1705 = LEY. | son of Jan van Deijl 1 and father of Jan van Diejl 2; Mörzer Bruyns thought he lived c.1775. | Leiden. | Rooseboom 1; Mörzer Bruyns 2. | suggest correction |
| DEIJL, HARMANUS VAN 2 | Holland, 1738-1809, OIM | Achromatic Microscopes = LEY, UTP, UTR, BIL, TEY. | son of Jan van Deijl 2. | Amsterdam. | Rooseboom 1 and 2; van Cittert 3; Daumas 1; Purtle; G.L'E. Turner 24; Evans 1. | suggest correction |
| DEIJL, JAN VAN (2), EN ZOON | Holland, fl.1769-75, OIM | Telescopes = STROZZI, KEN, AMST (1769 and 1775), DEU, PMM, Auctions, 1906 (1769) and 1910 (1769). | son was Harmanus van Deijl 2; see Jan Bunders and Jan van Deijl Bunders. | Amsterdam. | Rooseboom 1; Mörzer Bruyns 1 & 2; Hamilton 2; KEN; Price 2; RSW. | suggest correction |
| DEIJL, JAN VAN 1 | Holland, 1704, OIM | Telescope, 1704 = UTP. | Amsterdam. | Rooseboom 1. | suggest correction | |
| DEIJL, JAN VAN 2 | Holland, 1715-1801, OIM | Telescopes and Microscopes = TEY, LEY, Museum of Education, The Hague; Achromatic Telescope, pasteboard = DEU. | father of Harmanus van Deijl 2; DEU telescope signed "Jan van Deylen Zoon" (c. 1765). | Amsterdam. | Rooseboom 1; Daumas 1; Council of Europe 1; Wheatland 2; Price 2. | suggest correction |
| DEIMAN | PHIM | made potentiometers. | McConnell (1984). | suggest correction | ||
| DEINERT, PAULUS | see Deivert; see P.D. | suggest correction | ||||
| DEIPHOLTH, JOHANN | Germany; Holland, c.1750, MIM | Table Sundial = MADEX-107; Crescent Sundial = Bernal Coll. = BM. | Baillie thought him 17th century; Price thought him `Beipolth'; table sundial is signed "Augsburg", the other "Haag." | Augsburg; The Hague. | Whipple 1; Price 3; Ward 4; Baillie 1. | suggest correction |
| DEIVERT, PAULUS | Germany, 1758, PHIM | Money Balance, 1758 = DRE. | Nürnberg. | RSW. | suggest correction | |
| DEKANG, JANA | Poland, 1643, MIM | Artillery Instrument, 1643 = Military Museum, Warsaw. | Lesznic. | RSW. | suggest correction | |
| DEKKER, R. | Holland, c.1791, MIM NIM | Nautical Rule = RIJ; Azimuth Compass = RIJ; Log = RIJ. | requested a patent in 1791. | Amsterdam. | Mörzer Bruyns 2. | suggest correction |
| DEL VECCHIO, J. | see Vecchio, J. del | Morrison-Low and Burnett. | suggest correction | |||
| DEL VECCHIO, JAMES | Ireland, fl.1833-38, | looking-glass and frame maker. | 15 Lower Abbey Street (1833-35); 68 Dame Street (1836-38); both in Dublin. | Morrison-Low and Burnett. | suggest correction | |
| DELACOUR, L. | France, c.1730, MIM SIM | Cicumferentor = SPI-2763 = AND-SPI-30. | Dunkerque. | Daumas 1; Michel 3; RSW. | suggest correction | |
| DELAGRAVE | France, 19th Century, MIM | Magnetic Compass = Versailles 4/17/83. | RSW. | suggest correction | ||
| DELAGRAVE, CH. | France, MIM | Terrestrial Globe = CNAM-12852. | CNAM 1; Destombes 4. | suggest correction | ||
| DELAHAYE | France, PHIM | Stick Barometer = Soth. 5/18/89. | Paris. | RSW. | suggest correction | |
| DELALANDE | France, fl.1775-79, MIM | Celestial Globes = Roussel (1779), Auction, Paris 6/15/79 (1779), GEL (1775), BMR (1777), Palermo Observatory. | Paris. | Serrio (1983); Chenekal 3; Belgian Inv.; RSW. | suggest correction | |
| DELAMAIN, RICHARD | England, fl.1610-45, MIM | designed and made instruments for Charles I; author; designed a circular slide rule in 1632-33. | Drury Lane, upper part of Chancery Lane, London. | Bryden 15; Taylor 1(122); Gunther 2; G.L'E. Turner 24; A.J. Turner 10. | suggest correction | |
| DELAMARCHE 1 | see Charles François Delamarche. | suggest correction | ||||
| DELAMARCHE 2 | France, fl.1821-57, MIM | Terrestrial Globes = A-P 3/15/76 (2), FLO (1821); Planetarium, mechanical, 1839 = Soth. 12/15/78. | son of Charles François Delamarche. | 12, rue du Jardinet; rue du Battoir (1839-57); both in Paris. | Moskowitz 122; RSW. | suggest correction |
| DELAMARCHE, C.F., ET MESSIER, C. | France, c.1780, MIM | Terrestrial and Celestial Globes = NMM-Caird. | Paris. | NMM 2; RSW. | suggest correction | |
| DELAMARCHE, CHARLES FRANCOIS | France, 1740-1809, MIM | made many terrestrial and celestial globes, planetariums and armillary spheres (wood and paper); dated ones range from 1780-1808. | Charles François Delamarche; "Geographer"; successor to Sanson and Robert de Vaugondy. | chez Delamarche, 12 rue du Jardinet (1780); Géog., Rue de Foin St. Jacques au Collège de Mtre. Gervais (1783-91); both in Paris. | Moskowitz 122; Nachet; Price 2; USNM; Brewington 1; Bonelli 1; Brieux 2; Syndram; Yonge; RSW. | suggest correction |
| DELAMARCHE, FX. | France, 1831, MIM | Terrestrial Globe, wood and paper, 1831 = Drouot Richelieu 4/28/88. | "Succ. de Robert de Vaugondy, 1831"; "Ingen-Mécan. pour les globes et sphères." | Paris. | RSW. | suggest correction |
| DELAMARCHE, FX., ET CHLES. DIEN | France, 1816, MIM | Terrestrial Globe, 1816 = Melun 4/24/83. | "dressée ordre du Roi par le S. Robert de Vaugondy"; surely a misreading of the date. | rue du Jardinet N°13, Paris. | RSW. | suggest correction |
| DELAMARCHE, MAISON | France, c.1860, MIM | Terrestrial Globe = Peron et Corsy, Melun 6/10/79. | the house of Delamarche. | Paris. | RSW. | suggest correction |
| DELAMARRE, CHOLLET | France, NIM | Repeating Circle = USNM. | Rue de Fourcy St. Antoine 6, Paris. | USNM. | suggest correction | |
| DELANDER, DANIEL | England, 1674-1733, PHIM | Barometer = D.(1962); Stick Barometer = Clumber Park = P.C. | apprenticed to Charles Halsted of the Clockmakers' Company in 1692; free of the Company, 1699; journeyman assistant to Tompion; also made clocks; bill for another barometer is known. | Devereux Court; Temple, Fleet Street, London (1712 on). | Goodison 1; RSW. | suggest correction |
| DELANDER, R. | England, c.1620, MIM | Sundial inside back cover of watch = Soth. 12/1/78. | RSW. | suggest correction | ||
| DELCANO, JUAN SEBASTIAN | Spain, fl.1520-26, MIM | Delcaño; globe maker. | Globus, Dec. 1956. | suggest correction | ||
| DELCOMINETE | France, 18th Century, MIM | Mechanical Equatorial Sundial = Auction Sale, Paris 11/24/79. | Moreau; RSW. | suggest correction | ||
| DELEUIL, JEAN-ADRIEN | France, 1820-94, MIM OIM PHIM | Cannon Sundial = CNAM; Meter Rod = FLM; Barometer = FLO-1144; Wind Instrument = PMM; Electrical Apparatus = D.; Photographic Barograph = USNM; Meridian Instrument = D.; Microscope = D.(1976). | Rue des Fourneaux 42, Paris. | CNAM 2; USNM; Paris 1900; Belgian Inv.; Brieux 1; Middleton 4; G.L'E. Turner 24. | suggest correction | |
| DELEUIL, L.J. | France; England, c.1850, PHIM | made air pumps, etc.; son of Jean Adrien Deleuil. | 8 rue du Pont-le-Lodi, Paris and 7 Althorpe Street, Grey's Inn Lane, London. | G.L'E. Turner 24. | suggest correction | |
| DELHEUX, JEAN | Belgium?, 1814, MIM | Vertical Sundial, pewter, 1814 = LIE. | RSW. | suggest correction | ||
| DELL'ACQUA, CARLO | Italy, 1806-75, PHIM | Barlow's Globe = Pavia University; Magnetic Sparkler = Pavia University. | Milan. | G.L'E. Turner 24; Brenni 1. | suggest correction | |
| DELLA TORRE, J. | Scotland, c.1850, PHIM | Wheel Barometers = Carter's Grove, Va., Soth. 2/4/77, Christie-SK 1/22/87. | Perth. | RSW. | suggest correction | |
| DELLA TORRE, T. | Scotland, PHIM | Barometer = Henry Ford Museum, Dearborn, Mich. | may be J. Della Torre. | Perth. | RSW. | suggest correction |
| DELLEBARRE | Holland, OIM | microscope maker; may be A. or Louis François Dellebarre. | Nachet. | suggest correction | ||
| DELLEBARRE EN BAYENS GEBROEDERS | Holland, c.1800, OIM | Microscope = LEY. | Delft. | Daumas 1. | suggest correction | |
| DELLEBARRE EN CANZIUS | Holland, fl.1798-1806, OIM | Microscopes = LEY(1798), CRI(1806), UTP, LEY, DEU. | Delft. | Rooseboom 1; Daumas 1; Gunther 2. | suggest correction | |
| DELLEBARRE, A. | Holland, c.1797, OIM | Microscope = BIL; Dellebarre-type Microscope, 1788 = Soth. 4/18/88 = Soth. 10/3/88. | Soth. signed on microscope tube; marked on microscope at KEN, made by Onderdewijnwgaart. | Leiden. | Purtle; RSW. | suggest correction |
| DELLEBARRE, LOUIS FRANCOIS | Holland; France, 1726-1805, OIM | Microscopes = CNAM(1771), WHI(1785), NAC(1789, 1793), KEN(1793), DEU, OXF, UTR, BIL, LEY, UTP; Compound Microscopes = X, GEM (1788). | Louis François Dellebarre; see Dellebarre and Canzius, Dellebarre and Bayens. | Leyden (pre-1776); rue Saint-Jacques (after 1776); rue Saint-Germain-l'Auxerrois (1793); both in Paris. | Rooseboom 1; Daumas 1; Nachet; Whipple 1; Purtle; KEN; Bryden 9; A.J. Turner 10. | suggest correction |
| DELLEMONT | France, pre-1840, | see Guillemin and Dellemont. | RSW. | suggest correction | ||
| DELLER, COMP. P. AEMILIANUS | Germany, 1786, MIM | Quadrant, 1786 = DEU. | also marked "Ben. Prist." | RSW. | suggest correction | |
| DELLING, P. AEMILIANUS | Austria, 1699-1746, MIM | may be "P.AE.D.P.K." signed on horizontal sundial at KRM. | Rabenalt. | suggest correction | ||
| DELMOTTE, J. | Belgium, c.1800, PHIM | Money Balance = Koller 11/17/75. | Brussels. | RSW. | suggest correction | |
| DELURE, CLAUDE | France, c.1723, MIM | son (?) of Jean-Baptiste-Nicolas Delure; apprenticed to him in 1723 in the "Corporation des fondeurs." | Paris. | Augarde. | suggest correction | |
| DELURE, JEAN-BAPTISTE-NICOLAS | France, fl. 1695-1736, MIM SIM | Butterfield-type Sundials = ADL-DPW3, USNM, P.C., MAD, MAN, ANM, MERC, OPM, LIE, WHI (silver) (2), WRAY, etc.; Universal Ring Dials = MADEX, PEA, NMM, WRAY, MERC; Sectors = VEN, NAC; Graphometers = USNM, D.; Artillery Level = ROU; Analematic Sundial = ADL-DPW3; Drawing Instrument = WHI; Rapporteur = Drouot 11/14/68; Compass = NMM; Sundial = ADL-L3; etc. | father-in-law of Jean-Baptiste-Nicolas Bion; master and juror in the "Corporation des fondeurs"; "Ingénieur du Roi";took apprentices; worked for Abbé Nollet. | à l'Image Nostre-Dame, Place de Marché Neuf (1700); Quaide l'Horloge (1707); both on Il de la Cité, Paris. | Daumas 1; Bryden 16; Michel 1, 3, and 9; Hamilton 2; Nachet; Brieux 1; USNM; Price 12; Chenekal 1; MADEX; Augarde; ADL; RSW. | suggest correction |
| DELUREX | France, | misreading for Delure. | Gilbert 8/27/76. | suggest correction | ||
| DELVEDEZ | France, c.1800, OIM | Full Circle with Telescope = D. | Clermont. | Brieux files. | suggest correction | |
| DELVEDEZ AINE | France, c.1810, NIM | Holland Circle = P.C. | Delvedez Aîné. | Clermont. | Brieux 1; Wheatland 3. | suggest correction |
| DEMAINBRAY, STEPHEN CHARLES TRIBOUDET | England; Scotland, 1710-82, | designed a microscope; collected instruments for George III. | Westminster, London; Edinburgh; Kew, London. | Chaldecott 1; Taylor 2(248); Gunther 6; G.L'E. Turner 24. | suggest correction | |
| DEMEURIE | France, c.1820, NIM | Mariner's Compass = D. | Brest. | Brieux 1. | suggest correction | |
| DEMONGENET, FRANCISCUS | France; Italyfl.1552-1590, MIM | Pairs of Globes, 1552 = Drecker, ROM; Terrestrial Globe with Sundial and watch inside, 1552 = UTC; Gores for both a Celestial and Terrestrial Globe = ADL-A. | Vesow; Venice. | Stevenson; FOX; Yonge; Karrow 1; ADL; RSW. | suggest correction | |
| DENCH, THOMAS | England, c.1795, MIM | apprenticed to Joseph Rust 2 of the Grocers' Company on March 6, 1788; turned over to Thomas Lorkin, member of the Wheelwrights' Company, on March 16, 1789; free of the Grocers' Company, Oct. 1, 1795. | J. Brown 1. | suggest correction | ||
| DENEGAN, JOHN | Italy; USA, c.1785, PHIM | made barometers and thermometers; succeeded by Alloysius Ketterer. | Race and Fourth Streets, Philadelphia, Pa. | Bedini 1 & 8; USNM; Middleton 1. | suggest correction | |
| DENEGAN, JOSEPH | Italy; USA, c.1785, PHIM | made barometers and thermometers; may be same as John Denegan, which see. | Philadelphia, Pa. (1785). | D.J. Warner 5. | suggest correction | |
| DENGG, P. JOSEPHUS | Germany, 1752, MIM | Analemmatic Sundial, 1752 = NUR-WI 1228. | Mondsee. | Zinner 1; Evans 1. | suggest correction | |
| DENISOR, FEDOR | Russia, 1789, MIM | Universal Equatorial Sundial, 1789 = MOS-18463. | Chenekal 1. | suggest correction | ||
| DENN, WILLIAM | England, c.1695, | apprenticed to John Waite of the Grocers' Company on May 6, 1695. | J. Brown 1. | suggest correction | ||
| DENNERT AND PAPE | England, c.1850, MIM | Instrument? = Soth. 10/4/77. | RSW. | suggest correction | ||
| DENNEWALT, GERHART | Germany, 1681, PHIM | Gold Balance, 1681 = HAM. | Hamburg. | RSW. | suggest correction | |
| DENNIS | England, OIM | Telescope, refracting = FRK-T 163. | London. | Frank. | suggest correction | |
| DENNIS, GEORGE | England, c.1713, MIM | apprenticed to John Bennett 2 of the Clockmakers' Company on Oct. 21, 1713; turned over to Thomas Baldwin. | J. Brown 3. | suggest correction | ||
| DENNIS, J.C. | England, c.1845, MIM NIM OIM PHIM | Calling card; see John Charles Dennis. | Bristol. | Chaldecott 3; RGO. | suggest correction | |
| DENNIS, JOHN CHARLES | England, fl.1825-61, MIM NIM OIM PHIM | Marine Barometer = KEN; Artificial Horizon = KEN; Microscope = CRI. | T.C.; made sextants with Becher's artificial horizon; the microscope is signed "Dennis 118 Bishopsgate Street, London"; some instruments signed "J.C. Dennis", which see; calling card has "Bristol" as an address. | 118 Bishopsgate Street (1839-49); 122 Bishopsgate Street (1850-61); both in London; Bristol. | Taylor 2(1534); KEN; Goodison 1; Chaldecott 3 & 4; RGO; Gunther 2; McConnell 4. | suggest correction |
| DENNIS, JOHN WILLIAM | England, c.1816, MIM | apprenticed to John Holyman of the Grocers' Company, April 4, 1816. | J. Brown 1. | suggest correction | ||
| DENNS, J. | 1679, MIM | Sundial, circular, 6 annular rings, 1679 = Soth. 3/17/38 = P-B 10/31/52 = Koller 11/17/75. | may be Jodocus Deens. | RSW. | suggest correction | |
| DENORRY | France, 1588, | professor of mathematics; invented a "Compas Optique", a form of Radio Latino, with optical sight attached to one leg. | Paris. | Kraus Catalogue. | suggest correction | |
| DENT | England, PHIM | Depliedoscope = UTR; Altimeter and Aneroid Barometer = Christie-Geneva 11/20/79. | surely E.J. Dent. | 33 and 34 Cockspur Street, London. | RSW. | suggest correction |
| DENT, E., AND CO. | England, c.1820, NIM | Magnetic Compasses = Christie 7/16/68 (2), 10/8/68. | 61 Strand and 4 Royal Exchange, London. | RSW. | suggest correction | |
| DENT, E.I. | England, | see Edward John Dent. | suggest correction | |||
| DENT, EDWARD JOHN | England, 1790-1853, MIM NIM PHIM | Dipleidoscopes = HAY, ADL-W189, P.C., WHI (5), Soth. 11/9/59, Ineichen 5/3/74, etc.; Barometers with Thermometers = Soth. 7/26/65, K. and C. 3/19/75; Compass = Christie 7/28/70. | maker of "Big Ben"; named and made "E.I. Dent's Patent Meridian" which he called the dipleidoscope; author; a dipleidoscope shows the moment when the sun crosses the meridian; "Chronometer Maker to the Queen"; also invented a new magnetic compass and a chronograph. | 82 Strand and 33 Cockspur Street; 34 Royal Exchange; 61 Strand (post-1851); all in London. | Taylor 2(1310); Bryden 16; Brewington 1; Calvert 2; Whipple 1; Namur; Moskowitz; ADL; RSW; G.L'E. Turner 24; J.A. Bennett 2. | suggest correction |
| DENT, J. | England, c.1845, PHIM | see Edward John Dent. | Particular Mechanic and Engineer's Magazine, Vol. IV, ppp. 100-01. | suggest correction | ||
| DENTON | England, | invented a level made by W. and S. Jones. | Whipple 1. | suggest correction | ||
| DENTON AND CO. | England, 1809, MIM | Terrestrial Globe, miniature, case, 1809 = Soth., Wilkinson and Hodge 11/16/22. | London. | RSW. | suggest correction | |
| DENTON, JOSEPH | England, PHIM | Wheel Barometer = X. | Hull. | Goodison 1. | suggest correction | |
| DENTZEL, JOHANN | Germany, 1572-1625, | painter; devised a variant type of graphometer in 1616 with his brother, Melchior Dentzel. | Ulm. | Bedini 3. | suggest correction | |
| DENTZEL, MELCHIOR | Germany, 1585-1635, MIM SIM | Graphometer = Soth. 2/26/62 = USNM. | apprenticed to Michael Pauly Schmid, a master goldsmith, in 1599; passed his examination as a goldsmith in accessories in 1611; invented this type of graphometer in 1616 with his brother, Johann Dentzel; original case also includes some drawing instruments; author. | Ulm. | USNM; Price 2; Bedini 3; RSW. | suggest correction |
| DEPAGNET | France, c.1650, OIM | Dépagnet; made telescopes. | Paris. | Nachet. | suggest correction | |
| DEPARCIEUX, ANTOINE | France, 1703-68, MIM | made sundials, instruments and watches; invented a lens-polishing machine; author. | Paris. | Daumas 1; Nachet; Moskowitz 130. | suggest correction | |
| DEPETRIS, I., S.J. | France, 1753, MIM | Sundial, 1753 = ADL-A100. | ADL; RSW. | suggest correction | ||
| DEPEUILLE | France, 1786, PHIM | Thermometer on Barometer, 1786 = Drouot 11/19/70. | RSW. | suggest correction | ||
| DEPOUILLY | France, fl.1683-92, OIM | Microscopes = BIL, KEN (CRI). | see Depovilly and J. Pouilly; Coffeen thinks Pouilly and Depouilly are the same maker; Nachet thought it was Depovilly as the "u" is engraved as a "v". | Paris. | Nachet; Purtle; KEN; A.J. Turner 10; Nachet; Coffeen 46. | suggest correction |
| DEPOVILLY | France, | see J.Pouilly and Depouilly. | Paris. | Nachet; Purtle; KEN; A.J. Turner 10; Coffeen 46; RSW. | suggest correction | |
| DERBY, EDWARD | England, PHIM | T.C.; "Successor to the Ingenious Mr. Joseph Hickman." | Union Court, facing St. Andrews Church, Holborn, London. | Calvert 2. | suggest correction | |
| DEREGNI, ANGELO | Italy, 18th Century, OIM | Telescopes, pasteboard and horn = ADL-M449, P.C., Soth. 10/28/86; Telescope, vellum and paper = D. | Engelmann 1; ADL; RSW; Brieux 2. | suggest correction | ||
| DEREPAS | France, c.1850, OIM | Achromatic Spyglass = WHI; Reflecting Telescope = Hérmes Museum, Paris; Spyglasses = Soth. 12/13/65, FRK = Soth. 3/25/86. | Palais Royal 23 (25), Paris. | Dewhirst; Whipple 1; Frank; RSW. | suggest correction | |
| DERG, CAREL GUST. | Sweden, 1768, MIM | Horary Quadrant, 1768 = NOR. | Stockholm. | RSW. | suggest correction | |
| DERHAM, WILLIAM | England, 1657-1735, MIM | Horary Quadrant, 1678 = OXF; Wall Sundials = St. George's Chapel, Windsor (1723), Lincoln Chapel (1723), St. Laurence Church, Upminster. | quadrant signed "W. Durham", early form of his name; owner/maker?; designer of clocks and instruments; author. | Upminster. | Aked; Chamberlain. | suggest correction |
| DERING, G. | 1791, PHIM | Lodestone, 1791 = P.C. | Wheatland 3. | suggest correction | ||
| DERNER, I.M. | misreading for Dorner. | Lagos and Jozsef; Zinner 1; RSW. | suggest correction | |||
| DEROGY | France, OIM | made optical instruments. | Paris. | USNM. | suggest correction | |
| DERRIEN ET LEPRIEUR | France, NIM | Sextants = MYS (3). | Derrien et LePrieur. | RSW. | suggest correction | |
| DERRY, CHARLES | England, c.1838, MIM PHIM | 6 Leigh Street, Barton Crescent, London. | Taylor 2(2115). | suggest correction | ||
| DERVIE, DE | France, pre-1690, OIM | mentioned by Bonani in 1690 as an instrument maker. | Lyon. | Clay and Court. | suggest correction | |
| DES BORDES & P.D.J.E. | France, c.1780, MIM | Surveyor's Square = P.C.(1987). | RSW. | suggest correction | ||
| DESAGNEAUX | France, c.1809, | invented a rapporteur, made by Marchois. | Paris. | Daumas 1. | suggest correction | |
| DESAGULIERS, JOHN THEOPHILUS | England, 1683-1744, MIM | made and designed instruments. | Westminster; Plough Court, Fetter Lane; both in London. | Taylor 1(545); Daumas 1; G.L'E. Turner 24. | suggest correction | |
| DESARGUES, GERARD | France, 1593-1661, OIM | Gérard Desargues; worked on objective lenses; author. | Paris. | Nachet; Daumas 1. | suggest correction | |
| DESCARTES, RENE | France, 1596-1650, | René Descartes; scientist and philosopher; designed microscopes; first to design scale for barometers; author. | Paris. | Daumas 1; Nachet; Middleton 1 & 4; DSB. | suggest correction | |
| DESCOMBES, MAL(COLM) | England, NIM | Octant = P.C. | RSW. | suggest correction | ||
| DESCRIVANI | Italy, c.1832, | designed a planetarium, made by Pierret and at CNAM. | Morpurgo 1; CNAM 2. | suggest correction | ||
| DESCROIZILLES, FRANCOIS ANTOINE HENRI | France, 1751-1825, | François Antoine Henri Descroizilles; chemist; invented a still for wine analysis, 1810. | Rouen. | G.L'E. Turner 24. | suggest correction | |
| DESCROLIERES, ADRIEN | Italy; Belgium; France, fl.1571-80, MIM | Astrolabes = VEN (1571)(ICA-503), GRE (1577)(ICA-455), TPD (1579)(ICA-525), SPI-2782 = BM (1580)(ICA-208), TIM (157?) = Christie-SK 4/14/88 = P.C.; Rule, folding with three legs, 1579 = OXF. | Adrien Descrolières. | Venice; Mantua (1577); Antwerp (1579); Paris (1580). | Michel 1 and 3; Price 1 and 3; Ward 4; Gunther 1 and 2; Nachet; Belgian Inv; Italian Inv; Ernst; Maison Française; A.J. Turner 8; RSW. | suggest correction |
| DESHARYS, JEAN | France, c.1790, | instrument maker? | Nachet. | suggest correction | ||
| DESILVA, WILLIAM | England, c.1850, NIM OIM PHIM | Telescopes = PMS (3); Octant = USNM; Compass = D.(1965); Sextants = Maritime Museum, Philadelphia, Pa., MYS; Stick Barometer = VNN; Wheel Barometer = Soth.-C 10/9/86. | barometer signed "Desilva." | 37 Bath Street, Princes Dock and 126 Duke Street; 250 Great Howard Street; 38 Regent Street (1857); all in Liverpool. | USNM; Bryden 9; RSW. | suggest correction |
| DESLINCOURT, JEAN FRACTORENSIS | France, c.1680, MIM | Skaphe, 1680 = CNAM-929. | copy of a classic skaphe; Fractorensis may be a town. | CNAM 2. | suggest correction | |
| DESNOS, LOUIS-CHARLES | France, fl.1753-82, MIM SIM | Circumferentor = Mariner's Museum, Newport News, Va.; Carte Odagraphique, 1763 = Balzekas Museum, Chicago; Sector = ADL-M89; Folding Square = USNM; Celestial Globes = LNB (1758), P.C. (1770); Butterfield-type Sundials = P. and S. 2/28/1896, FRY; Armillary Spheres = CNAM (1757), (1768), X (1754), DEU (2), Nouveau Drouot 5/20/88; Terrestrial Globe Clock, 1782 = DRE; Terrestrial Globes, 1757, 1772 = CNAM (2). | "on trouve chez Desnos toutes sortes D'instruments de Mathématiques"; son-in-law of Nicholas Hardy ? | Beauvais (1754); Chez Desnos, ingénieur géographe, rue St. Jacques St Severin à l'enseigne du Globe; rue St. Julien le pauvre, Quartier de la Place Maubert; both in Paris. | Michel 3; Engelmann 1; USNM; Nachet; Chenekal 3; Drechsler 2; Globus, Nov. 1954, June 1963; Pastoreau; ADL; RSW. | suggest correction |
| DESNOS, V.T. | France?, 1850, MIM | Goniometer, 1850 = MOS. | designed by Douglas. | Novokshanova-Soklovskaja. | suggest correction | |
| DESPAGNET | see Dépagnet. | Nachet. | suggest correction | |||
| DESROLIS | see Mlle. Ginot-Desrois. | RSW. | suggest correction | |||
| DESUOS | France, MIM | Goniometer = Koller, May 1962. | probably Desnos. | Paris. | RSW. | suggest correction |
| DETOUCHE | France, MIM | Pliers, engraved, iron = ROU-306; Planetarium = CNAM. | Sedan. | Michel 3. | suggest correction | |
| DETOUCHE ET HOUDIN | France, c.1850, MIM | in the Great Exhibition, 1851, London. | 228 and 230 Rue St. Martin, Paris. | G.L'E. Turner 24. | suggest correction | |
| DETURE | France, | cadran solaire de poche fin 18ème | Delure, fabriquant | Paris | Pugsley Sale. Corpechot. | suggest correction |
| DEUCHAR, JOHN | Scotland, fl.1815-33, PHIM | made chemical apparatus. | Lothian Street, Edinburgh. | Bryden 3. | suggest correction | |
| DEUERLIN, JOACHIM | Germany?, fl.1619-33, MIM | Horizontal Sundial, 1619 = OXFB; Drawing Compasses, 1633 = DRE (2). | one compass has micrometer divided by letters. | Zinner 1; Maddison 5; Evans 1; Gunther 2; Drechsler 2; Price 2; RSW. | suggest correction | |
| DEUR, JOHANNES | Holland, fl.1702-14, MIM | Terrestrial Globes, cases = KRA, LEY. | engraved maps. | Amsterdam. | Globus, Dec. 1956; Krogt 1; Edell 1. | suggest correction |
| DEVACHT, FRANCOIS | USA, c.1792, MIM | François Devacht; made sundials, compasses, etc.; worked with his brother, Joseph. | Gallipolis, Ohio. | Bedini 1. | suggest correction | |
| DEVACHT, JOSEPH | USA, c.1792, MIM | made sundials, compasses, etc.; worked with his brother, François. | Gallipolis, Ohio. | Bedini 1. | suggest correction | |
| DEVASTON, J. | England, 1790, MIM | Pantograph, 1790 = P.C. | RSW. | suggest correction | ||
| DEVAULX | France, 1583, MIM | Astrolabe, geographical, paper, 1583 = Giraudon. | Reichen. | suggest correction | ||
| DEVINPORT, ROBERT | variant of Robert Davenport. | Bryden 3. | suggest correction | |||
| DEVOT | France, NIM | Dry Card Compass = MYS. | Le Havre. | RSW. | suggest correction | |
| DEW, SAMUEL | USA, 1822, | patented nautical compass, 1822. | Romney, Va. | USNM. | suggest correction | |
| DEWAR, SIR JAMES | England, 1842-1923, | see Liveing and Dewar. | G.L'E. Turner 24. | suggest correction | ||
| DEWILDE, JOHN | England, c.1735, | apprenticed to John Patrick 1 in the Joiners' Company on Nov. 6, 1722; free in the Company, Mar. 23, 1735. | Crawforth 7. | suggest correction | ||
| DEWRY | England, 1693, | zodiac band engraved on Coronelli globe by Dewry. | Grimaldi. | suggest correction | ||
| DEXTER, GEORGE | USA, 1846, PHIM | 57 State Street, Albany, N.Y. | USNM. | suggest correction | ||
| DEYERLIN | England, 1819, | see Holtzapffel and Deyerlin. | RSW. | suggest correction | ||
| DEYL | see Deijl; also found as Deyle. | suggest correction | ||||
| DHIDERIC, MISER | Germany, c.1200, MIM | Sundial on pillar of church = Niederurff. | "Dhideric Miser Fecit." | Niederurff. | Zinner 1. | suggest correction |
| DIAKOFF, GEORGE | Russia, MIM | made a new type of arithmometer. | St. Petersburg. | USNM. | suggest correction | |
| DIAS, JOAO | Portugal, fl.1614-38, | Joa~o Dias; thought to be the maker who signed mariner's astrolabes as "Y°. Dyas", which see; astrolabes dated 1614, 1619, and 1628; listed as astrolabe maker and examiner of Agostinhode Goes in 1630. | Lisbon? | A. Stimson 3. | suggest correction | |
| DIBBLEY | England, fl.1560-70?, MIM | also clock maker. | Taylor 1(28); Evans 1. | suggest correction | ||
| DIBOLD, JOH. CHRISTOPH | Germany, 1780, MIM | Celestial Globe, 1780 = Baden-Baden Neues Schloss-6897. | Durlach. | Zinner 1. | suggest correction | |
| DICAS 1 | England, c.1790, PHIM | Hygrometer = KEN; Proof Slide Rule, ivory = ADL-161. | see John Dicas who patented an accurate hygrometer; the slide rule at the ADL is marked "Dicas Patentee Liverpool." | Liverpool. | Wheatland 1; KEN; ADL; RSW. | suggest correction |
| DICAS 2 | England, c.1800, MIM | Slide Rules, ivory = BM, NMM-Gabb Coll., KEN (2). | London. | Price 3; Ward 4; KEN; RSW. | suggest correction | |
| DICAS AND ARSTALL | England, c.1807, PHIM | Mary Dicas and George Arstall; patent hydrometer makers. | 8 North Side Old Dock, Liverpool (1807). | Bryden 9. | suggest correction | |
| DICAS, ANN | England, fl.1797-1822, PHIM | Hygrometer = Soth. 10/17/60. | made patented hygrometers sold by John Bywater and Co.; Turner thinks she was daughter and successor to John Dicas. | 83 Brownlow Hill, Liverpool. | Taylor 2(1535); RSW; G.L'E. Turner 24. | suggest correction |
| DICAS, I. | England, MIM | Compass = Christie-SK 3/31/83. | may be related to Ann Dicas; see John Dicas. | Liverpool. | RSW. | suggest correction |
| DICAS, JOHN | England, fl.1774-97, MIM PHIM | Hydrometer, No. 986 = HAR. | patented Dicas Alcohol Hydrometer, June 1780; succeeded by his daughter, Mary Dicas, in 1797; T.C.; Turner thinks that Ann Dicas was his daughter; see Dicas 1. | Navigation Shop, 29 Pool Lane (1790); 27 Pool Lane (1796); both in Liverpool. | Bryden 9; Calvert 2; G.L'E. Turner 24; RSW. | suggest correction |
| DICAS, MARY | England, fl.1797-1806, MIM PHIM | succeeded her father in 1797; made hydrometers. | 27 Pool Lane (1800); 7 North Side Old Dock, Strand Street (1803); 7 North End Old Dock (1804-5); all in Liverpool. | Bryden 9. | suggest correction | |
| DICEY | misreading for Dixey. | Soth.-S 10/19/89. | suggest correction | |||
| DICK, ALEXANDER | Scotland, fl.1827-74, MIM SIM | made surveying chains; surveyor. | 101 Bridgegate (1827-32); Buchanan Court, 105 Stockwell (1833-74); both in Glasgow. | Bryden 3. | suggest correction | |
| DICK, WILLIAM | England, c.1723, MIM | apprenticed to John Dobson of the Clockmakers' Company, June 3, 1723. | J. Brown 3. | suggest correction | ||
| DICKENS, JOHANNES | Holland, c.1740, NIM | Reflecting Circle = AMST. | Amsterdam. | Mörzer Bruyns 1 and 2. | suggest correction | |
| DICKENS, JOHN | England, c.1648, | apprenticed to Walter Hayes of the Grocers' Company on Sept. 12, 1648. | J. Brown 1. | suggest correction | ||
| DICKINSON, EDMUND | USA, c.1772, MIM | made dip needles. | Williamsburg, Va. | Bedini 8. | suggest correction | |
| DICKINSON, S. | England, 1808, NIM | Compass Rose, 1808 = X. | Schück. | suggest correction | ||
| DICKMAN, JOHN 1 | Scotland, 1794-1855, NIM OIM | nautical instrument maker to Queen Victoria, 1845; made clocks, chronometers, telescopes, etc. | Kirkgate (1794-96); Bernard Street (1797-1813); 33 Shore (1814-40); all in Leith; 142 George Street (1841-42); 91 Princeses Street (1843); both in Edinburgh; 6 Charlotte Place (1844-48); 4 Charlotte Place (1849-54); both in Leith. | Bryden 3; Taylor 2(1829); USNM; Clarke et al. | suggest correction | |
| DICKMAN, JOHN 2 | England, pre-1830, MIM | see John Dickman and Son. | Quayside, West Shore, Sunderland. | Taylor 2(1829)(1829a). | suggest correction | |
| DICKMAN, JOHN, AND SON | England, c.1830, MIM | John Dickman 2 and his son. | Quayside, West Shore, Sunderland. | Taylor 2(1829a). | suggest correction | |
| DICKSON AND CARGILL | Ireland, OIM | Student Microscope = P.C. | optician. | Belfast. | RSW. | suggest correction |
| DIDDERICHSEN, JACOB | Denmark, MIM | Magnetic Compass, box = FRE. | cast pewter or tin. | Copenhagen. | Price 2. | suggest correction |
| DIEBOLDT | France, MIM | Drawing Instruments = LEY; Instrument = DEU. | Strasbourg. | RSW. | suggest correction | |
| DIEGHEM, FRAN DE | Belgium, MIM SIM | Circumferentor = D.(1960); Quadrant = VEN. | sometimes signed "F.R. van Dieghem." | Brussels. | Bonelli 4; RSW. | suggest correction |
| DIEM, JAKOB | Germany, fl.1586-89, MIM | Astronomical Clock = Old Town Hall, Esslingen. | Esslingen. | Zinner 1. | suggest correction | |
| DIEN, CHARLES 1 | 1740, MIM | Terrestrial Globe, 1740 = P.C. | Globus, Dec. 1957. | suggest correction | ||
| DIEN, CHARLES 2 | France, 1809-70, MIM | Celestial Globes = MOS (1831), VNL (1840), MOS, Peron et Corsy, Melun 6/10/79; Globe = D.; Terrestrial Globe, 1844 = Versailles 4/17/83. | "géographe"; see Delamarche et Dien. | rue Hauteville N. 13; Rue du Foin St. Jacques au Collège de Mtre. Gervais; both in Paris. | Chenakal 3; Globus, June 1962, Dec. 1957; Brieux 3; Tooley; RSW. | suggest correction |
| DIENERT, PAULUS | PHIM | balance maker; see "P.D." (1); may be Dierert. | RSW. | suggest correction | ||
| DIEPEL, HERMANN | Germany, fl.1558-77, MIM | Celestial Globes = KAS (1563), DRE. | Kassel. | Zinner 1. | suggest correction | |
| DIETA | France, PHIM | Barometer = Musée des Arts Décoratifs, Strasbourg. | optician. | Strasbourg. | RSW. | suggest correction |
| DIETHELM, ABBOT | Switzerland, 1549, MIM | Diptych Sundial, 1549 = St. Gallen. | "Abbot Diethelm u St. Gallen, 1549." | St. Gallen Abbey. | RSW. | suggest correction |
| DIETRICH, HANS | Austria, c.1628, MIM | see Johann Dietrich 1. | Zinner 1. | suggest correction | ||
| DIETRICH, JOHANN 1 | Czechoslovakia, 1611, MIM | Bow Compass, 1611 = Polytecnic Institute, Prague. | Cenipo. | Czech. Inv. | suggest correction | |
| DIETRICH, JOHANN 2 | Switzerland, fl.1751-55, MIM | Basle. | Evans 1. | suggest correction | ||
| DIETRICHSTEIN, VON | Germany, 1647, MIM | Cube Sundial, 1647 = BM. | owner; the dial is also marked "S.L.G.V.D." with the "G" raised slightly above the other initials. | Price 3; Ward 4; RSW. | suggest correction | |
| DIETSCHI, PANCRATZ | Germany, fl.1584-94, MIM | made an astronomical clock; "Passerace Troche" is alternative name. | Fribourg. | Baillie 1. | suggest correction | |
| DIETTE | France, c.1800, OIM | Telescope = Stuker, 1958. | Lyon. | RSW. | suggest correction | |
| DIEU, FRANCISCUS LE | Holland, b.1700 fl.1726, MIM | also made clocks. | Leiden. | Rooseboom 1. | suggest correction | |
| DIGBY, CHARLES | England, fl.1729-67, MIM NIM | Backstaff, 1749 = Bowes Museum. | apprenticed to Benjamin Macy of the Clockmakers' Company on Oct. 12, 1721; T.C.; took over John Henshaw's shop. | The Globe, near Hermitage Stairs, Wapping, London. | Taylor 2(465a); J. Brown 3; Weil 2(23); Crawforth 1. | suggest correction |
| DIGEON | see Pigeon. | CNAM 2. | suggest correction | |||
| DIGGES, JOHANNES | Holland, c.1650, MIM | worked with William Corderoy and Caspar Kalthoff. | Dordrecht. | Rooseboom 1. | suggest correction | |
| DIGGES, LEONARD | England, 1510-58, | devised a theodolite and other instruments; author. | Barham, East Kent. | Taylor 1(4); Daumas 1; Michel 3; Gunther 6; DSB; DNB. | suggest correction | |
| DIGGES, THOMAS | England, 1531-95, | son of Leonard Digges; designed instruments; author. | Daumas 1; DSB; DNB; A.J. Turner 10. | suggest correction | ||
| DIGUE | France, MIM SIM | Level = Soth. 6/9/39; Surveying Instrument = P.C. | Paris. | RSW. | suggest correction | |
| DIJK, VAN DEN | see Petrus ab Aggere. | Michel 3. | suggest correction | |||
| DIJON | France, c.1781, MIM | won a prize from the Royal Academy of Sciences, 1781; possibly Pigeon. | Daumas 1. | suggest correction | ||
| DIKAUF, JOHANN | Germany?, c.1600, MIM | Diptych Sundial, wood = WUR. | Zinner 1. | suggest correction | ||
| DILLER, BALTHASAR | Germany1780, MIM | Table Sundial, stone, 1780 = STU-8446. | Mergentheim. | Zinner 1. | suggest correction | |
| DILLON | England, c.1742, OIM | T.C.; optician. | in Long Acre, next door to the White Hart, London. | Calvert 2. | suggest correction | |
| DILLON AND TUTTLE | USA, fl.1820-40, PHIM | Stick Barometer = D.(1980). | T.C.; formerly Kline and Co. | 74 Wall Street, New York, N.Y. | RSW. | suggest correction |
| DIMMOCK | England, PHIM | Wheel Barometer = X. | Ryde. | Goodison 1. | suggest correction | |
| DINGLEY, JAMES | England, c.1770, | apprenticed to Joseph Edwards; ran away May 11, 1770. | Birmingham. | Bryden 9. | suggest correction | |
| DININCKOFF, BERNARD | England, 1585, MIM | Sundial, stained-glass, 1585 = Gilling Castle, Yorkshire North. | Daniels 1. | suggest correction | ||
| DIONYSODORUS | Greece?, c.100 B.C., | invented the conical sundial. | Amisus. | Cousins. | suggest correction | |
| DIPHOP | Russia, 1775, MIM | Sundial, 1775 = GMELV-IM 3035. | Chenekal 1. | suggest correction | ||
| DIRCK, JOHAN | Germany, 1653, NIM | Compass Rose, 1653 = X. | Hamburg. | Schück 2. | suggest correction | |
| DIRCKXSEN, SYMEN | see Symen Dirckxsen Blocker. | Mörzer Bruyns 2. | suggest correction | |||
| DIRICKSEN, DI | Germany, 1644, NIM | Compass Rose, 1644 = X. | Hamburg. | Schück 2. | suggest correction | |
| DISMORR, J. | England, MIM | Slide Rule = Soth. 10/28/86. | 42 Russell Street, Rotherhithe, London. | RSW. | suggest correction | |
| DIVINI, EUSTACHIO | Italy; France; Italy, 1620-95, OIM | Telescopes = ROM (1663), FLO (1664 and 1674), POB (1673), BM; Oculars = FLO (1665 and 1666); Microscopes, 1668 = ROM, BIL; etc. | developed a micrometer; tried fitting telescopic sights to surveying instruments in 1664. | Bologna; Paris; Rome. | Bonelli 1 and 4; Purtle; Michel 3; Dewhirst; USNM; Nachet; Gunther 2; Italian Inv.; Daumas 1; Price 2; A.J. Turner 10. | suggest correction |
| DIVIS, P. | 1754, PHIM | made a thunder house (Paratonnerre). | ? | suggest correction | ||
| DIVISIOLI, G. AND F. | see Giovannes Franciscus Divizioli. | Forti. | suggest correction | |||
| DIVITIOLO, GIOAN. FRANCESCHO | see Giovannes Franciscus Divizioli. | Brieux 2. | suggest correction | |||
| DIVIZIOLI, GIOVANNES FRANCISCUS | Italy, fl.1593-1612, MIM | Armillary Sphere, 1593 = Cabinet de physique du "Lycée d'Etudes Classiques Daniel Manin"; Reduction Compass with Protractor, 1612 = D.(1981). | Cremona. | Italian Inv.; Brieux 2. | suggest correction | |
| DIX, HENRY | England, c.1716, | apprenticed to Mark Rogers in the Joiners' Company on Aug. 7, 1716. | Crawforth 7. | suggest correction | ||
| DIXEY 1 | England, MIM OIM PHIM | Wheel Barometer = X; Barometer in clock = Soth. 12/15/83; Telescope, single-draw = Phillips 4/20/83; Telescopes = D. (1976)(2); Stick Barometer = D.(1977). | probably Charles Wastell Dixey; the clock is inscribed "Luke Briggs, Wisbeach 144". | New Bond Street, London. | Goodison 1; RSW. | suggest correction |
| DIXEY 2 | England, PHIM | Stick Barometer = X. | Norwich. | Goodison 1. | suggest correction | |
| DIXEY 3 | England, OIM PHIM | Microscope = Phillips 6/15/76; Stick Barometer = Soth.-S 10/19/89. | see L. Dixey; Soth.-S marked "from London and Brighton." | Brighton; London. | RSW. | suggest correction |
| DIXEY 4 | see Willson and Dixey. | RSW. | suggest correction | |||
| DIXEY AND SON | England, MIM PHIM | Stick Barometer = VNN; Proportional Dividers = Christie-SK 7/10/80. | surely Charles Wastell Dixey and Son. | 552 Oxford Street; Bond Street; both in London. | RSW. | suggest correction |
| DIXEY, C.W., AND SON | England, c.1845, MIM PHIM | Barographs =Christie 6/7/72, Phillips 10/26/83; Aneroid Barometer = D.(1976). | Charles Wastell Dixey; later became "C.W. Dixey and Sons"; "Opticians to the Queen." | 3 New Bond Street, London. | Gatty; RSW. | suggest correction |
| DIXEY, CHARLES WASTELL | England, 1798-1880, MIM NIM OIM PHIM | Hadley's Quadrant, 1842 = NMM; Telescope = KEN; Barometers = X (4); Wheel Barometer = Buckingham Palace; Barograph = Melun 4/24/83; Microscope = Christie-SK 2/9/84; Stick Barometer and Thermometer = Longleat; Garden Sundial = Harlestone House, Northampton.; Sector, ivory = P.C.; Stick Barometer = Soth. 2/28/80; Spirit Level = Soth. 7/21/87; etc. | T.C.; "Optician to the Queen and to H.R.H. Prince Albert"; Taylor thought he was successor to George and Charles Dixey; generally signed "C.W. Dixey." | 335 Oxford Street (1821); 78 New Bond Street (1822-23); 3 New Bond Street (1825-60); all in London. | Taylor 2(1536)(1537); Calvert 2; KEN; Goodison 1; G.L'E. Turner 24; Earle; RSW. | suggest correction |
| DIXEY, EDWARD | England, 1757-1838, OIM PHIM | Wheel Barometer = Soth. 12/14/89. | apprenticed to George Linnell of the Spectaclemakers' Company in 1771; free of the Company in 1778; succeeded Fraser and Son in 1817; was succeeded by George and Charles Dixey, sons or nephews. | 335 Oxford Street (1782); 370 Oxford Street (1808); 335 Oxford Street (1822); all in London. | Taylor 2(703); Clay and Court; Court and von Rohr 3(202); RSW. | suggest correction |
| DIXEY, G. | England, 19th Century, OIM | Telescopes = D.(1987), Gersaint 7/20/96. | could be George Dixey 1 or 2; D. signed "Improved day or night." | London. | RSW. | suggest correction |
| DIXEY, G. AND C. | England, fl.1821-38, MIM OIM PHIM | Microscope = CRI; Pedometer = Koller Oct. 1970; Beam Compass = WHI; Mathematical Instrument Set = Soth. 6/23/64; Ellipsograph = WHI; Spy Glass, 1821 = D.(1972); Marine Barometer = VNN; Pocket Compass = Christie 12/18/74; Hodometer = Soth., Wilkinson and Hodge 12/5/24 = Soth. 2/6/25; Telescope = KEN; etc. | T.C.; George and Charles (Wastell?) Dixey, which see; "Opticians to the King"; twin sons and successors to Edward Dixey; signed as "Late Fraser"; "Mathematical Instrument Makers to the King." | 335 Oxford Street (1821); 78 New Bond Street (1822-23); 3 New Bond Street (1825-28); all in London. | Goodison 1; Taylor 2(1536, 1537); Whipple 1; Price 12; Gunther 2; KEN; Moskowitz 104; RSW; Crawforth 1. | suggest correction |
| DIXEY, GEORGE 1 | England, fl.1810-32, OIM | Telescope, 1825 = D. | may be connected with Charles and George Dixey 2. | 20 Vine Street, Picadilly, London. | Taylor 2(1311); Coffeen II. | suggest correction |
| DIXEY, GEORGE 2 | England, 1798-1838, MIM OIM PHIM | twin brother of Charles Wastell Dixey? father of L. Dixey; optician to the Royal Family; T.C. | Bond Street, London. | Goodison 1; Taylor 2(1536)(1537); Calvert 2; Crawforth 1. | suggest correction | |
| DIXEY, GEORGE AND CHARLES | England, fl.1825-38, MIM OIM PHIM | Microscope = CRI; Pedometer = Koller Oct. 1970; Beam Compass = WHI; Mathematical Instrument Set = Soth. 6/23/64; Ellipsograph = WHI; Spyglass = Soth. 12/13/65;Telescope = KEN; Thermometer = KEN; Opera Glasses = KEN (2). | George Dixey 2 and Charles Wastell Dixey; "Opticians to the King"; successors to Edward Dixey; signed as "Late Fraser"; see G. and C. Dixey. | 3 New Bond Street (1825-38); 335 Oxford Street; 78 New Bond Street; all in London. | Taylor 2(1536)(1537); Whipple 1; Price 12; Gunther 2; KEN; RSW. | suggest correction |
| DIXEY, L. | England, fl.1843-60, OIM PHIM | Wheel Barometer and Thermometer with clock = K. and C. 5/6/75. | optician; T.C.; son of George Dixey 2; see Dixey 3. | Bond Street, London; 62 Kings Road (1843); 21 Kings Road (1860); last two in Brighton. | Calvert 2; KEN; RSW; Crawforth 1; RSW. | suggest correction |
| DIXON | England, | instrument maker. | NMM 1. | suggest correction | ||
| DIXON AND PICKERING | PHIM | Stick Barometer = Salem Maritime Nat'l Historic Site, Mass. | RSW. | suggest correction | ||
| DIXON, HUGH | England, c.1785, OIM | patented improvements of optical instruments; made telescopes, microscopes, etc. | St. James's, Clerkenwell, London. | Taylor 2(827); Dewhirst. | suggest correction | |
| DIXON, JOHN | England, c.1822, MIM | 93 Newman Street, London. | O'Mara. | suggest correction | ||
| DIXON, WILLIAM | England, fl.1688-90, MIM | member of the Joiners' Company; turned over William Roloson to Joseph Wells in 1690. | London. | Crawforth 7. | suggest correction | |
| DNS | Germany, 1562, | Ring Sundial, 1562 = ADL-M308. | marked "Anno Dns 1562"; "Dns" has a bar over the "ns"; shorthand for "Dominus." | Engelmann 1; ADL; RSW. | suggest correction | |
| DO | France, c.1691, | enameler who sold barometers. | rue du Harley, Aux Armes de France, Paris. | Daumas 1. | suggest correction | |
| DO---- | England, NIM | Compass Card = NMM. | Minories, London. | RSW. | suggest correction | |
| DOBBIE, ALEXANDER | Scotland, 1815-87, NIM OIM | Sextants = PEA, FRK(2) = RSM(1); Octant = Phillips 5/20/75; Telescopes = MYS, FRK = RSM(2); Chronometer = FRK = RSM. | also made watches; T.C.; retailed Chrichton octants. | 20 Clyde Place (1844-56); 24 Clyde Place, south side of Quay (1857-72); 24 and 25 Clyde Place (1873-85); all in Glasgow. | Brewington 1; Bryden 3; Frank; Clarke et al. RSW. | suggest correction |
| DOBBIE, ALEXANDER, AND SON | Scotland, fl.1886-1900+, MIM NIM OIM PHIM | Compass Rose = AMST; Stick Barometer = P.C. | son was John Clark Dobbie. | 24 & 25 Clyde Place (1886-88); 18 & 19 Clyde Place (1889-91); 44 & 45 Clyde Place (1893-95); all in Glasgow. | Bryden 3; Mörzer Bruyns 1; Clarke et al; RSW. | suggest correction |
| DOBBIE, JOHN CLARK | Scotland, fl.1817-96, MIM NIM OIM PHIM | son of Alexander Dobbie; carried on the firm after his father's death in 1887; designed nautical instruments. | Glasgow. | Clarke et al. | suggest correction | |
| DOBBIE, RICHARD | England, NIM | repaired Bianchetti sextant. | RSW. | suggest correction | ||
| DOBBIE, WILLIAM | Scotland, fl.1821-45, PHIM | made two barometers in 1845. | Falkirk. | Goodison 1. | suggest correction | |
| DOBERSCHITZ, LAUR. | Austria, 1734-99, MIM | Lunar Volvelle = KRM-FS32; Sector = KRM. | cleric. | Kremsmünster. | Zinner 1; RSW. | suggest correction |
| DOBINSON | England, c.1780, PHIM | Angle Barometer = P.-B. 4/28/39. | Wolsingham. | RSW. | suggest correction | |
| DOBLER, EUGENIUS | Austria, fl.1746-62, OIM | Gregorian Telescope = KRM. | Kremsmünster. | Zinner 1. | suggest correction | |
| DOBLER, J.M. | Germany, fl.1690-1730, OIM | Telescopes = Gel-TX895, DRE; Binocular Telescopes = DRE (1730), MOS (2). | "opticus fecit." | Berlin. | Chenekal 4; Drechsler 2; RSW. | suggest correction |
| DOBROMIL | Germany, 18th Century, MIM | Equatorial Sundial = Drecker. | RSW. | suggest correction | ||
| DOBSON 1 | USA, c.1798, MIM | Philadelphia, Pa. | Encyclopedia of Arts and Sciences, Vol. IX, Philadelphia, Pa. 1798. | suggest correction | ||
| DOBSON 2 | England, PHIM | Stick Barometer = X. | Goodison 1. | suggest correction | ||
| DOBSON AND BAKER | England, NIM | Quadrant = P.C. | London. | USNM. | suggest correction | |
| DOBSON, F. | misreading for J. Dobson 1. | RSW. | suggest correction | |||
| DOBSON, GLOVER AND CO. | England, c.1780, NIM OIM | Quadrant, case = D.(1983); Telescope = Portland Museum of Art, Me. | telescope marked "Improved Day or Night." | 144 Leadenhall Street, London. | RSW. | suggest correction |
| DOBSON, J. 1 | England, c.1800, PHIM | Stick Barometers = X, Soth. 10/22/87. | Finsbury Street, Finsbury Square, London. | Goodison 1; RSW. | suggest correction | |
| DOBSON, J. 2 | see John Dobson. | suggest correction | ||||
| DOBSON, JAMES | England, 1794, MIM | Chart Globe, 1794 = X. | based on Halley's observations. | Tooley. | suggest correction | |
| DOBSON, JOHN 1 | England, fl.1714-23, MIM | apprenticed to John Henshaw of the Clockmakers' Company on Sept. 15, 1698; free of the Company, Nov. 1, 1714; took apprentices. | J. Brown 3. | suggest correction | ||
| DOBSON, JOHN 2 | England, fl.1828-46, MIM OIM PHIM | Stick Barometer = X. | apprenticed to Thomas Lefever in the Merchant Taylors' Company; made free in the Company. | 4 Great Suffolk Street (1828-29); 13 Newington Causeway (1830); 54 Newington Causeway (1836-46); all in London.. | Taylor 2(1830); Goodison 1; O'Mara; Crawforth 7. | suggest correction |
| DOBSON, LEONARD | England, MIM | apprenticed to Thomas Lefever in the Merchant Taylors' Company; free in the Company. | Crawforth 7. | suggest correction | ||
| DOD, DANIEL | USA, 1778-1823, MIM SIM | Surveyor's Compendium = Fort Laramie Nat'l Monument, Wyoming; Surveying Compass = ADL- | son of Lebbeus Dod. | Mendham, New Jersey. | Smart 1; Bedini 8. | suggest correction |
| DOD, LEBBENS | see Lebbeus Dod. | Smart 1; USNM. | suggest correction | |||
| DOD, LEBBEUS | USA, 1739-1816, MIM SIM | Parallel Rule and Protractor = Guthman Coll.; Drafting Instrument = P.C.; Drawing Instrument Set = P.C. | sometimes signed "Lebbus Dod"; surveyor. | Mendham, New Jersey. | Smart 1; Guthman 1; USNM; Bedini 8. | suggest correction |
| DODASNE, DOMINIQUE | Belgium, 1697, OIM | Telescope, 1697 = Tomba. | Brussels. | RSW. | suggest correction | |
| DODD | Scotland, PHIM | Wheel Barometer = X; Stick Barometer = Christie-SK 4/17/86. | Andrew Dodd? | Glasgow. | Goodison 1; RSW. | suggest correction |
| DODD, ANDREW | Scotland, fl.1837-47, MIM OIM PHIM | 70 Hutcheson Street (1837-38); 36 Glassford Street (1838-47); 88 Glassford Street 1847-48; all in Glasgow. | Goodison 1; Bryden 3. | suggest correction | ||
| DODD, S. | USA, 19th Century, MIM SIM | Surveyor's Compass = New Haven Colony Historical Society, Conn. | USNM. | suggest correction | ||
| DOERRETY | England, 1727, PHIM | Barometer, 1727 = D.(1971). | London. | RSW. | suggest correction | |
| Dolberg & Hannay | Rostock, Germany | Octants | see Dolberg, Adolf | Rostock | suggest correction | |
| Dolberg & Petri | Rostock, Germany, c. 1858 | Theolodites | see Dolberg, Adolf | Rostock | suggest correction | |
| Dolberg, Adolf | Rostock, Germany, 1848-1863 | Octants, reflecting circle, chemical balances | continued as Dolberg & Petri, Dolberg & Hannay | Rostock, Munich, Stralsund, Greenwich | Hamel, Juergen, in Beitrag zur Astronomiegeschichte, Band 10 (2010) | suggest correction |
| DOLL, JOHAN GEORG | Germany, 1739, MIM | Perpetual Calendar, 1739 = OXF. | Evans 1; Esdaille. | suggest correction | ||
| DOLLAND | many optical and philosophical instruments signed "Dolland" are to be found; some are surely misreadings but others are deliberately mis-signed to take advantage of the great popularity of the Dollond name and avoid any legal action. | RSW. | suggest correction | |||
| DOLLARD | England, PHIM | Pocket Barometer = K. and C. 7/9/75. | misreading for Dollond? | London. | RSW. | suggest correction |
| DOLLON | England, c. 1780, NIM | Sextant = MOS. | probably Dollond. | London. | Novokshanova-Soklovskaja. | suggest correction |
| DOLLOND | England, MIM NIM OIM PHIM | a great many instruments are signed just "Dollond"; they could have been made by John 1, John 2, Peter or George (Huggins) (1) Dollond and covered a long period of time. | London. | ADL; RSW. | suggest correction | |
| DOLLOND AND SON | England, c.1752, MIM OIM | Orrery = Morrison Planetarium, San Francisco, Cal.; Telescopes = Soth. 10/17/60, D.(1972)(1977); Microscope = WHI. | John Dollond 1 and Peter Dollond. | London. | Whipple 1; RSW; O'Mara; Wynter 1. | suggest correction |
| DOLLOND, GEORGE (HUGGINS) 1 | England, 1774-1856, MIM OIM PHIM | Telescope, case = D.(1983); Microscope = Soth. 7/29/69; Instruments = OXF, WHI, NMM; Stick Barometers = City of Gloucester Museum, Erddig Park, Wrexham; etc. | born George Huggins 1, son of John Huggins 1; changed name 1805-06; nephew of Peter Dollond; apprenticed to him in the Spectaclemakers' Company, 1788; turned over to Charles Fairbone 1 of the Grocers' Company in 1788; turned over to Charles Fairbone 2 in the Company in 1802; admitted to the Spectaclemakers' Company by redemption in 1807; optician to William IV, Queen Victoria and the Honble. Board of Customs; F.R.S., 1819; author; succeeded Peter Dollond in 1820. | see Dollond, George (Huggins) 1 (continued). | suggest correction | |
| DOLLOND, GEORGE (HUGGINS) 1 (CONTINUED) | 28 New Surrey Street, Blackfriars Road; 59 St. Paul's Churchyard (1804-54); 61 Paternoster Row (1854-56); all in London. | Goodison 1; Taylor 2(955), (992a); Calvert 2; Crawforth 1; J. Brown 1 and 2; NMM 2; G.L'E. Turner 24; Court and von Rohr 3(223); Robischon; Clay and Court; RSW. | suggest correction | |||
| DOLLOND, GEORGE (HUGGINS) 2 | England, fl.1827-64, MIM OIM | born George Huggins 2; apprenticed to George (Huggins) Dollond 1 (who was probably his father) in the Grocers' Company on Feb. 6, 1817; free of the Company on April 5, 1827; took name of Dollond in 1852 as George (Huggins) Dollond 2; succeeded George (Huggins) Dollond 1 in 1856; took apprentices. | London. | J. Brown 2; Robischon. | suggest correction | |
| DOLLOND, J., AND SON | England, c.1752, MIM NIM OIM PHIM | Telescopes = Soth. 10/17/60, D.(1973); Microscope = WHI; Octant, wood, with Telescope = P.C.(1978). | John Dollond 1 and son, Peter. | London. | Whipple 1; RSW. | suggest correction |
| DOLLOND, JOHN 1 | France; England, 1706-61, MIM NIM OIM PHIM | wide range of instruments that may be seen in many museums. | French silk weaver; joined his son, Peter, in 1752; first to commercially produce achromatic lenses; F.R.S.; invented the splt objective micrometer; received the Copley medal. | Spitalfields (1750-52); Golden Spectacles and Sea Quadrant, Exeter Exchange, Strand (1752); both in London. | Taylor 2(164); Michel 3; Price 5; Dewhirst; Brewington 1; Daumas 1; Nachet; Gunther 6; G.L'E. Turner 24; Multhauf 1; Court and von Rohr 3(XX); J.A. Bennett 2; A.J. Turner 10; Robischon; RSW. | suggest correction |
| DOLLOND, JOHN 2 | England, 1740-1804, MIM NIM OIM PHIM | son of John Dollond 1; younger brother of Peter Dollond; admitted to the Spectaclemakers' Company on March 26, 1767 by redemption ; Master of the Spectaclemakers' Company, 1790 and 1792; partner of Peter Dollond from 1766 on; see Peter and John Dollond. | 59 St. Paul's Churchyard (1766); Haymarket (1795); both in London. | Daumas 1; Nachet; Clay and Court; J. Brown 1; Bedini 8; Court and von Rohr 3(181); Robischon. | suggest correction | |
| DOLLOND, P. AND J. | England, fl.1766-1820, MIM OIM PHIM | Orreries = P.C., Christie 5/7/63;; Eckardt's Rolling Rules = Soth. 10/17/60, P.C. (1968); Telescopes = OXF (2); etc. | Peter and John 2 Dollond; sons of John Dollond 1; "Opticians to His Majesty"; also made barometers. | 59 St. Paul's Churchyard (1766); 35 Haymarket (1795); both in London. | Taylor 2(469); Evans 1; RSW; Nachet; Daumas 1; Gunther 2; Goodison 1; | suggest correction |
| DOLLOND, PETER | England, 1730-1820, MIM OIM PHIM | wide range of instruments that may be seen in many museums, including telescopes at RSM (1765), VCW, ARM (Kew mural quadrant and equatorial); barometers = Earl of Bute (1793) and English, Scottish and Australian Bank Ltd., London, etc.; sundial at MOS; compass at NMM; mariner's astrolabe at Gold and Silver Museum, Schoonhoven (NMM-53). | oldest son of John Dollond 1; admitted as a foreign Brother to the Spectaclemakers' Company in 1755; took over William Gilbert 2 as an apprentice, July 4, 1769; in business for himself 1750-52 and 1761-66; "Optician to His Majesty and to His Royal Highness the Duke of York", 1763; his father joined him, 1752-61; see Dollond, Peter (continued). | suggest correction | ||
| DOLLOND, PETER (CONTINUED) | nephew, George (Huggins) Dollond 1 was a partner, 1804-20, and succeeded him; T.C.; author; Warden of the Spectaclemakers' Company in 1772; Master of the Company in 1774, 1778 and 1799; took apprentices; John Dollond 2 was partner, 1766-1804. | Vine Street, Spitalfields (1750); Golden Spectacles and Sea Quadrant, near Exeter Exchange, Strand (1752-63); at the Sign of the Prisms (1763); 59 St. Paul's Churchyard (1769-1820); 35 Haymarket (1784); all in London; Richmond Hills, Surrey. | Goodison 1; Taylor 2(469); Brewington 1; Calvert 2; Nachet; Clay and Court; Chenekal 1; Chaldecott 1; Bryden 9; RSW; Crawforth 1; Purtle; Gunther 6; J. Brown 1; Court and von Rohr 3(155); J.A. Bennett 2; Robischon; A.J. Turner 10; A. Stimson 3. | suggest correction | ||
| DOLLOND, PETER AND GEORGE | England, 1804-20, MIM OIM PHIM | T.C. | St. Paul's Churchyard, London. | Calvert 2; Crawforth 1. | suggest correction | |
| DOLLOND, THOMAS | England, c.1770, NIM | Compass = NMM. | name covered by P. Dollond mark. | RSW; NMM 2. | suggest correction | |
| DOLLOND, WILLIAM | England, post-1852, MIM NIM OIM | Sextant = Soth. 2/25/86-123. | instrument signed "Dollond London"; T.C.; "Mathematical and Optical Instrument Maker to Her Majesty"; perhaps son (or son-in-law, having changed his name) of George (Huggins) Dollond 1. | 59 St.Paul's Churchyard, London. | Moskowitz 2; RSW. | suggest correction |
| DOLLORD | England, PHIM | Wheel Barometer = K. and C. 3/19/75. | misprinting for Dollond. | London. | RSW. | suggest correction |
| DOLON | England, c.1780, OIM | Telescope = ADL-M436. | signed "Dolon à Londres"; probably a contemporary forgery. | London. | Engelmann 1; ADL; RSW. | suggest correction |
| DOLOND | England, OIM | Telescope = Maria Mitchell Science Library, Nantucket, Mass. | imitator of Dollond; "Day or Night." | Daumas 1; RSW. | suggest correction | |
| DOMBEY AND SON | England, 19th Century, NIM | Octant, ebony and ivory = WHI. | could be retailers; arm marked "W. and T. Gilbert, London." | London. | Fitzgerald; Gunther 3; RSW. | suggest correction |
| DOMENECUS, M. | Holland, 1770, MIM | Napier's Bones, 1770 = P.C. | sometimes spelled "Dominicus." | Amsterdam. | Wynter and Turner; RSW. | suggest correction |
| DOMET DU MONT | France, fl.1801-23, OIM | amateur maker of achromatic lenses. | Nachet. | suggest correction | ||
| DOMINUIS, C.D. | Holland, 18th Century, PHIM | Barometer = Christie April, 1978. | oak. | The Hague. | Mörzer Bruyns 2 | suggest correction |
| DONALDSON AND SONS | Scotland, c.1829, MIM | Pair of Globes, 1829 = Phillips 11/16/88. | published by Donaldson and Sons; engraved by W. and A.K. Johnston. | South Niddry Street, Edinburgh. | RSW. | suggest correction |
| DONALDSON, ALEXANDER | Scotland, fl.1799-1830, MIM | toolmaker; made globes. | Cowgate (1799); South Niddry Street (1818-30); both in Edinburgh. | Bryden 3. | suggest correction | |
| DONALDSON, ALEXANDER, AND SON | Scotland, fl.1831-55, MIM | Alexander and his son John; globe makers and toolmakers. | South Niddry Street, Edinburgh. | Bryden 3. | suggest correction | |
| DONALDSON, JOHN | Scotland, c.1850, MIM | son of Alexander Donaldson. | South Niddry Street, Edinburgh. | Bryden 3. | suggest correction | |
| DONAUER | see Donaverus. | Zinner 1. | suggest correction | |||
| DONAVERUS | painter Hans Danauer; on stone calendar by Andreas Pleninger. | Zinner 1. | suggest correction | |||
| DONCKER, HENDRIK | Holland, 1626-99, MIM NIM | Cross-staff, 1698 = D.(1986). | also made protractors; hydrographer. | in de Nieuwbrugh Street, in't Stuurmans gereetschap, Amsterdam (1651-99). | Rooseboom 1; Tooley; Wynter 1; Mörzer Bruyns 2. | suggest correction |
| DONDI, GIOVANNI DI | Italy, 1318-80, MIM | made the astrarium (astronomical clock); author; several models of the astrarium have been made, examples are at KEN, TIM, USNM, etc. | Padua. | Maddison and Bedini; Morpurgo 1 and 2; Baillie 1. | suggest correction | |
| DONEGAN | variant spelling for "Denegan". | Bedini 1. | suggest correction | |||
| DONEGAN AND CO. | England, PHIM | Stick Barometer = X. | 94 Holborn Hill, London. | Goodison 1. | suggest correction | |
| DONEGAN CO. | England, PHIM | Wheel Barometer = Soth.-PB pre-1980. | London. | RSW. | suggest correction | |
| DONEGAN, F. | England, c.1775, PHIM | Wheel Barometer = Soth. 12/15/72. | Leicester. | RSW. | suggest correction | |
| DONEGAN, J. | England, PHIM | Wheel Barometer = X. | may be Joseph Donegan. | Goodison 1. | suggest correction | |
| DONEGAN, JOSEPH | England, fl.1830-35, PHIM | Wheel Barometer = X. | Lad Lane, Newcastle-under-Lyme. | Taylor 2(1831); Goodison 1. | suggest correction | |
| DONEGAN, L., AND CO. | England, PHIM | Stick Barometer = X. | 3 Long Lane, London. | Goodison 1. | suggest correction | |
| DONEGAN, PETER | England, c.1805, PHIM | probably seller of barometers. | 7 Union Court, Holborn, Lomdon. | Goodison 1. | suggest correction | |
| DONEGAN, PETER, AND CO. | England, c.1805?, PHIM | Wheel Barometer = X; Stick Barometer = X(2); Barometers = X. | one stick barometer is signed "Peter Donegan and Co."; others signed "P. Donegan and Co."; may be dealer only. | London. | Goodison 1. | suggest correction |
| DONEGANI | England, PHIM | Stick Barometer = X. | Goodison 1. | suggest correction | ||
| DONEGANI, J. | England, PHIM | Wheel Barometer = X. | perhaps Joseph Donegan. | Newcastle-under-Lyme. | Goodison 1. | suggest correction |
| DONEGANI, SANTINO | Italy, 18th Century, PHIM | Barometer = FLO. | Bonelli 1. | suggest correction | ||
| DONEGANY, JOSEPH | Italy; USA, c.1785, PHIM | made barometers and thermometers. | Philadelphia, Pa.; 54 Smith Street, New York, N.Y. | Bedini 1 & 8. | suggest correction | |
| DONEVAN, P. | England, PHIM | Wheel Barometer = X. | Donegan? | London. | Goodison 1. | suggest correction |
| DONI, CARLO | Italy, pre-1761, MIM SIM | Graphometer = FLO-619. | Bonelli 1; Italian Inv. | suggest correction | ||
| DONKIN, B. | England, 1768-1855, MIM | Slide Rule = KEN; Rule = KEN. | London. | KEN. | suggest correction | |
| DONN, BENJAMIN | England, 1729-98, MIM NIM | Gunter's Scales = Pannett Park Museum, Whitby, D.(1995). | designed an improved Gunter's scale pre-1764 and wrote booklet about it; scales signed "Navigation Scale improved by B. Donn." | Bideford (until 1766); The Library House, King Street, Bristol; The Academy, Kingston (1774). | Taylor 2(470); Bryden 9; Moskowitz 103; Coffeen 51; RSW. | suggest correction |
| DONNAGE | France, c.1810, PHIM | Barometer, stick = D.(1996). | Paris. | AH Vol. 23. | suggest correction | |
| DONNIGAN AND CO. | England, c.1850, PHIM | Wheel Barometer = Soth.-Chester 2/2/84. | RSW. | suggest correction | ||
| DONOSTADIUS | see Simon Tunsted. | Michel 3. | suggest correction | |||
| DOOLITTLE, ENOS | USA, 1751-1806, MIM NIM SIM | Circumferentor = P.C. | made surveying and mariner's compasses; nephew of Isaac Doolittle 1. | Chapel Street, Hartford, Conn. | Bedini 1; Smart 1. | suggest correction |
| DOOLITTLE, ISAAC 1 | USA, 1721-1800, MIM SIM | made surveying instruments, etc; Bedini lists some of the family as clockmakers. | New Haven, Conn. | Bedini 1, 8 & 17; Smart 1. | suggest correction | |
| DOOLITTLE, ISAAC 2 | USA, 1759-1821, MIM NIM SIM | Surveyor's Compass = Vermont Historical Society. | 46 North Haven, New Haven, Conn. | Bedini 1; Smart 1. | suggest correction | |
| DOOLITTLE, JAMES | USA, fl.1802-39, MIM SIM | Surveyor's Compass = Chester Count Historical Society. | son of Enos Doolittle. | Hartford, Conn. | Smart 1. | suggest correction |
| DOPPELMAYR AND PUSCHNER | Germany, 1730, MIM | Celestial Globe, 1730 = DRE. | Nürnberg. | RSW. | suggest correction | |
| DOPPELMAYR, JOHAN GABRIEL | Germany, 1671-1750, MIM | Celestial Globes = WOL (1718), Würzburg University (1720), PRA (2)(1728), DRE (1736), DEU, NMM (2), Innsbruck Stift, Wilton, KRO; Terrestrial Globes = NMM, DRE (1730, 1736), Soth. 3/10/87 (1728); Terrestrial and Celestial Globe Gores, 1728 = Drouot 12/19/66; Pair of Globes = D.(1989); etc. | "Mathem. Prof. Publ. Norib. exhibentur, concinnatus a Joh. Georg Puschnero Chalcographo Norib."; published a celestial atlas; translated Bion's book on instruments into German in 1717; had Georg Friedrich Brander as a pupil. | Nürnberg. | Zinner 1; Horsky and Skopova; Stevenson; Drechsler 2; Globus Nov. 1954 and June 1962; NMM 2; A.J. Turner 10; Antiwue Collector May, 1989; RSW. | suggest correction |
| DORAL, D. ANTONIO | Spain, c.1850, NIM | Sighting Circle = MAN-I82. | Garcia Franco 2. | suggest correction | ||
| DORING, HANS | Poland, 1463-1470, MIM | Astronomical Clock = Marien Church, Danzig. | Danzig. | Zinner 1. | suggest correction | |
| DORMER, ROBERT | see Dorner. | Michel 3. | suggest correction | |||
| DORN, HANS | Austria, c.1430-1509, MIM | Astrolabes = BM (1491) (ICA-250), FLO (1483), KRA (1486) (ICA-642); Diptych Sundials = STU (1476), ADL-M288 (1476), OXF (1481), HAK; Celestial Globe, 1480 = KRA; Torquetum, 1486 = KRA. | Dominican friar; studied with Peurbach in Vienna; BM astro- labe has nocturnal, compass on the back, it is the only signed instrument; the others are identified because of the delicate, intricate strap-work decoration; BM & FLO astro- labes were divided by transversal lines; KRA instruments were left to the University by Martin Bylica, an alumnus. | Vienna. | Zinner 1; Amiesenowa; Przypkowski 2; Price 1 and 3; Ward 4; Maddison 1; Gunther 1; Michel 3; Engelmann 1; Fox 1 and 2; A.J. Turner 10; ADL; RSW. | suggest correction |
| DORNER, I.M. | Germany, MIM | Horizontal Sundial = BUD; Floating Sundial = Drouot 4/7/87. | Zinner 1; Lajos and Jozsef; RSW. | suggest correction | ||
| DORNER, P. AEGIDIUS | Austria, 1652-1727, MIM | may be "P.AE.D.P.K." signed on horizontal sundial at KRM. | Rabenalt. | suggest correction | ||
| DORNER, ROBERT | England; Italy, 1715, MIM | Sundial, slate, 1715 = FLO. | Florence. | Bonelli 1; Michel 3. | suggest correction | |
| DORNSTRAUCH, ADAMAS | Germany?, 1677, MIM | Mining Compass and Sundial, 1677 = P.C. (1677). | it is also marked "M.F. 1677." | RSW. | suggest correction | |
| DORRINGTON | England, PHIM | Wheel Barometer = X. | Truro. | Goodison 1. | suggest correction | |
| DORSEY, PHILIP | USA, fl.1793-1802, MIM NIM OIM | Sign of Hadley's Quadrant and Compass-Card, corner of Queen and Thames Streets (1793); Fell's Point, 20 Queen Street; both in Baltimore, Md. | Smart 1; USNM; Bedini 8; D.J. Warner 10. | suggest correction | ||
| DORSMAN, SALING | Holland, 1750-1825, NIM | Compass = AMST. | Hoorn. | Mörzer Bruyns 1 & 2. | suggest correction | |
| DOTTI, G. 1 | England, PHIM | Wheel Barometer = X. | Bath. | Goodison 1. | suggest correction | |
| DOTTI, G. 2 | England, c.1820, PHIM | Wheel Barometer = Soth.-Pulborough 3/1/83. | Carlisle. | RSW. | suggest correction | |
| DOTY AND BERGEN | USA, c.1840, MIM | Perpetual Calendar, volvelles = X. | engraved calendar devised by L.H. Corson. | 120 William Street, New York, N.Y. | RSW. | suggest correction |
| DOU, JAN PIETERSZ. | Holland, fl.1612-20, | invented the Holland circle in 1612. | Amsterdam. | Bryden 9; Zinner 1; Daumas 1. | suggest correction | |
| DOUBLET | England, OIM | Telescope, tripod = Peron et Corsy, Melun 6/10/79. | see T. and H. Doublet. | London. | RSW. | suggest correction |
| DOUBLET, HANNAH | England, c.1830, MIM NIM PHIM | 14 Shepperton Place, New North Street, London. | Taylor 2(1833). | suggest correction | ||
| DOUBLET, T. AND H. | England, c.1830, MIM NIM OIM | Transit Theodolite = Phillips 11/16/88; Telescope = Phillips 2/14/79; Microscope = Phillips 2/14/79; Pair of long Rules in cane = Soth.-B. 9/26/73; Magnetic Compass = Christie 12/16/69; Rule, ivory = D.; Rule = P.C.; Sextant = Bearnes 1/24/90. | Thomas and Henry or Thomas and Hannah Doublet; sextant marked "for W. and E. Seagrove Portsea." | 6 Moorgate Street, Bank; 48 City Road; Finsbury Square; all in London. | RSW. | suggest correction |
| DOUBLETT, HENRY | England, MIM | may be the H. Doublett in T. and H. Doublett. | London. | Gilliland. | suggest correction | |
| DOUBLETT, THOMAS | England, c.1830, MIM | see T. and H. Doublett. | London. | Gilliland. | suggest correction | |
| DOUBLOTT, HANNAH | see Hannah Doublet. | Gilliland. | suggest correction | |||
| DOUGALL, J. | Scotland, c.1778, MIM | Kirkaldy. | Evans 1; Bryden 3. | suggest correction | ||
| DOUGHTY | England, PHIM | Thermometer = TIM. | on ivory base. | 431 West Strand, London. | RSW. | suggest correction |
| DOUGLAS, HOWARD | England, c.1811, | Sir Howard Douglas; patented a protractor for plane table use in 1811. | Novokshanova-Soklovskaja; J.A. Bennett 2. | suggest correction | ||
| DOUGLAS, J. | England, 1724, | designed a surveying instrument called "The Infallible", in 1724. | Gunther 2. | suggest correction | ||
| DOUGLAS, JAMES | Scotland, fl.1788-93, OIM | grandson and successor to Thomas Short. | Calton Hill Observatory, Edinburg. | Bryden 3. | suggest correction | |
| DOULLON | imitator of Dollond. | Daumas 1. | suggest correction | |||
| DOULLY, JACQUES-ANTOINE CARLIER | 1755, MIM | Horizontal Sundial, slate, 1755 = X. | Namur. | suggest correction | ||
| DOVER, A.W. | England, fl.1890-1918, NIM | Dip Needle Compass = Gilbert 8/27/76; Inclinometers = USNM (5). | son of John Dover; T.C. | Westwich Road, Charlton, Kent. | Multhauf and Good; McConnell 3; RSW. | suggest correction |
| DOVER, JOHN | England, 1824-81, NIM PHIM | Inclinometer = USNM; Magnetometer = USNM; Dip Needle = Royal Greenwich Observatory, Cambridge. | father of A.W. Dover; apprenticed to Thomas Charles Robinson; balance maker; exhibited a balance at the Great Exhibition of 1851, in London. | 14 Little Street, London; Charlton, Kent. | Multhauf and Good; Bryden 8; G.L'E. Turner 24; RSW. | suggest correction |
| DOVIKH, FEDOR | see Fedor Dowich. | Chenakal 1. | suggest correction | |||
| DOWICH, FEDOR | Russia, fl.1788-95, MIM SIM | Sundials = MOS (1795), MOS (2); Circumferentor, 1788 = MOS. | Tula. | Chenakal 1; Novokshanova-Soklovskaja. | suggest correction | |
| DOWLER, D.T. | England, NIM | Sextant = D. | RSW. | suggest correction | ||
| DOWLING | England, c.1826, MIM | tried to punch graduations and numerals on rules in one operation; probably William Dowling; which see. | Delehar 9. | suggest correction | ||
| DOWLING, MICHAEL | USA, 1790-1853, MIM SIM | Surveyor's Compass = P.C. | 158 Market Street, Newark, New Jersey. | Smart 1. | suggest correction | |
| DOWLING, ROBERT | Ireland, fl.1830-33, OIM | optician. | 21 Lower Sackville Street (1830-31); 8 George's Quay (1832-33); both in Dublin. | Bryden 9; Morrison-Low and Burnett. | suggest correction | |
| DOWLING, WILLIAM | England, fl.1822-29, MIM OIM PHIM | Sundial = Soth. 12/8/69; Spyglass = D.(1968). | T.C.; "working optician." | Serle's Passage, West Gate, Lincoln"s Inn, London. | Taylor 2(1538); Calvert 2; Clay and Court; Crawforth 1. | suggest correction |
| DOWNIE, J. | Germany, c.1780, NIM | Octant = FRK. | Hamburg. | Frank. | suggest correction | |
| DOWNIE, THOMAS | Germany, c.1827, NIM OIM PHIM | Telescope = HAM; Marine Compass = HAM; Thermometer = MYS; Barometer = MYS. | telescope marked `Day or Night'; T.C. in box of ADL-A168. | No. 9 (or 19) Stebbinhur (or Stubbenhuk); Stuchvenhuk No. 9; both in Hamburg. | ADL; RSW. | suggest correction |
| DOWNING | England, | see Kull and Downing. | RSW. | suggest correction | ||
| DOWNING, SAMUEL | England, c.1829, MIM | rule maker; devised punch to mark gradations and numbers. | Delehar 2. | suggest correction | ||
| DOYLE, WILLIAM | England, 1815, MIM | Stained-glass Sundial, 1815 = Blackheath, London. | Daniels 1. | suggest correction | ||
| DRAGSTEDT, GUSTAF | Sweden?, c.1775, MIM | Pipping 1. | suggest correction | |||
| DRAKE, O.P. | USA, fl.1846-55, MIM NIM PHIM | Boston, Mass. | USNM. | suggest correction | ||
| DRAKEFORD, DAVID | England, c.1716, OIM | apprenticed to George Bass in the Spectaclemakers' Company; free of the Company, 1716; worked with George Bass. | Fleet Ditch, London. | Robischon. | suggest correction | |
| DRANCHIJ, FILIPPO AND DE HAVERI | Italy, PHIM | Pneumatic Machine = FLO-831. | see Bianchi. | Bonelli 1. | suggest correction | |
| DRAPER AND KNOX | USA, fl.1837-38, MIM SIM | Edmund or George (his brother) Draper and Joseph Knox. | 60 Dock Street, Philadelphia, Pa. | Smart 1; Miller. | suggest correction | |
| DRAPER, E.A. | USA, | see Edmund Draper. | Miller. | suggest correction | ||
| DRAPER, EDMUND | USA, 1805-82, MIM OIM SIM | Surveyor's Compasses = Talbot County Historical Society, Md., P.C., USNM, William Penn Memorial Museum, Ohio Historical Society, Transit = P.C. | first was partner with Benjamin Stancliffe as Stancliffe and Draper, 1830-33; worked alone 1833-38; thn he took Joseph Knox as a partner, see Draper and Knox; the Gurley Co. has repaired over thirty of his instruments; made his own dividing engine; T.C.; some of his small compasses were signed "E.A. Draper." | 80 South Third Street (1833-37); 25 Pear Street, near Third below Walnut Street (1839-50); 22 Pear Street (1850-82); all in Philadelphia, Pa. | Smart 1; USNM; Bedini 8; Miller; RSW. | suggest correction |
| DRAPER, EDWARD | USA, fl.1838-53, MIM NIM OIM PHIM SIM | possibly Edmund Draper. | 25 Pear Street, Philadelphia, Pa. | USNM. | suggest correction | |
| DRAPER, GEORGE | USA, c.1844, MIM | brother of Edmund Draper who refused to recommend him for a job with the Coast Survey in 1844; may have been the Draper in Draper and Knox, 1837. | 60 Dock, Philadelphia, PA. | Miller. | suggest correction | |
| DRAPER, MURRAY AND FAIRMAN | USA, pre-1827, MIM | Gideon Fairman. | Philadelphia, Pa. | Bedini 1. | suggest correction | |
| DRAYCOTT, RICHARD | England, c.1727, MIM | apprenticed to John Gilbert 1 of the Grocers' Company on Sept. 1, 1727. | J. Brown 1. | suggest correction | ||
| DREBBEL, CORNELIUS JACOBSZ | Holland; England, 1572-1633, MIM OIM | Globe, 1621 = James I of England; Microscope, 1619 = X. | scholar who made a wide range of original instruments; invented baroscope; author; came to England in 1604-05 and was instrument maker to James I; made planetarium, etc; "Cor Drebel 1579" marked on diptych sundial, ADL-W236. | Alkmaar; Eltham, Ipswich. | Taylor 1(90); Rooseboom 1; Nachet; Zinner 1; Daumas 1; Dawson 207; Tooley; Michel 22; A.J. Turner 10; ADL; RSW. | suggest correction |
| DRECHSEL, CHRISTOPH | Germany, 1611, MIM | Equatorial Sundial, 1611 = DRE. | surely Christoph Trechsler. | Dresden. | Lübke. | suggest correction |
| DRECHSLER | Germany, c.1850, MIM | Celestial Globe = DRE. | date on label wrong for Trechsler. | Dresden. | RSW. | suggest correction |
| DRECHSLER, E. | Austria, PHIM | Stick Barometer = D.(1975). | Vienna. | RSW. | suggest correction | |
| DRECHSLER, GEORG | Germany, fl.1775-82, MIM | Analemmatic Sundial, case = PMM; Bloud-type Sundial = PMM. | installed Herschel telescopes at Lilienthal, 1782. | Hannover. | Zinner 1; Daumas 1. | suggest correction |
| DREEVEN, J.J. VAN | Holland, OIM | Microscope, base only = UTR. | Nijmegen. | Van Cittert 3. | suggest correction | |
| DRESCHER, LOUIS | USA, c.1850, MIM NIM PHIM | New York. | USNM. | suggest correction | ||
| DRESSLER | Czechoslovakia, c.1841, PHIM | Barometrograph = KEN. | the barometrograph was designed in 1841 by Karl Kreil of Prague and used at the Kew Observatory in 1845. | Prague. | KEN; Middleton 1. | suggest correction |
| DREUX, S.T. | France, c.1585, | see Thibault. | Higgens 3. | suggest correction | ||
| DREW, HENRY | Scotland, fl.1730-38, MIM | clockmaker. | Glasgow. | Bryden 3. | suggest correction | |
| DRIELENBURG, JACOB | Holland, 1656, PHIM | Coin Balance, box, 1656 = Soth. 4/18/88. | many weights stamped "I.D." (2). | Amsterdam. | RSW. | suggest correction |
| DRIESSENS, P. | France, 1828, MIM | Tellurian, 1828 = Yale U., New Haven, Conn. | Paris? | Yonge. | suggest correction | |
| DRING AND FAGE | England, fl.1790-1940, MIM NIM PHIM | wide range of instruments that may be seen in many museums, including PEA, WHI, NMM, KEN, RSM, etc. | T.C.; John Dring and William Fage; used fouled anchor with D and F on either side as mark on ivory scales; "Hygrometer Makers to His Majesty's Honourable Board of Excise." | 6 Tooley Street, London Bridge, Borough, Southwark (1792-96); 248 Tooley Street, Southwark (1796-1804); 20 Tooley Street, Southwark (1804-44); 19-20 Tooley Street, Southwark (1846-60); 145 The Strand (1883-1902); 56 Stamford Street, S.E. (1903-38); all in London. | Goodison 1; Taylor 2(958); Calvert 2; Brewington 1; Dewhirst; Clay and Court; Price 12; Whipple 1; NMM 2; Brieux 3; KEN; Crawforth 1; RSW; Moskowitz 103; Coffeen 58; Clifton 1. | suggest correction |
| DRING AND FAGE AND CO. | England, c. 1850, PHIM | Edward Hall and Edward Jenkin; appointed Hydrometer and Saccharometer Makers to the Board of Inland Revenue, 1850. | 19 and 20 Tooley Street, London Bridge, Londn. | McConnell 4. | suggest correction | |
| DRING, JOHN | England, fl.1784-90, MIM | freed by Patrimony, 1780, possibly in the Feltmakers' Company; worked with William Fage, 1790 on, as Dring and Fage, which see; produced ivory scales for octants, etc.; signed "I.D." (2), which see. | 4 Albion Place, Walworth (1784-90); Gracechurch Street; both in London. | Mörzer Bruyns 1; Moskowitz 122; Coffeen 15; Clifton 1; RSW. | suggest correction | |
| DRING, THOMAS | England; USA; England, fl.1786-98, MIM NIM PHIM | Barometer, 1796 = Chester County Historical Society, Pa. | optician; clockmaker. | West Chester, Pa. (1786-98). | Bedini 1 & 8. | suggest correction |
| DRIVER | England, PHIM | balance maker; apprenticed to Mr. Vandome; see Bastick and Driver. | Calvert 2. | suggest correction | ||
| DROOGTE, GROOTE | Holland, c.1830, PHIM | Stick Barometer = Soth. 12/17/87. | Amsterdam. | RSW. | suggest correction | |
| DROSCHEL | see Troschel; another variant is Droschell. | Gouk 1. | suggest correction | |||
| DRUNCKER, H. | Germany?, 1611, MIM | Diptych Sundial, oval, ivory, 1611 = P.C. | RSW. | suggest correction | ||
| DRURY, JAMES | England, c.1714, | member of the Clockmakers' Company; James Rowley (MIM) was turned over to him by Thomas Woods in 1714. | London. | J. Brown 3. | suggest correction | |
| DRURY, JEREMIAH | England, c.1616, MIM | he and John Harper worked with William Pratt to obtain a patent for Pratt's 'Arithmeticall Jewell', in 1616. | A.J. Turner 10. | suggest correction | ||
| DRURY, STEPHEN | USA, fl.1788-1809, MIM | also made clocks; took David Moritz as an apprentice, c.1802. | Huntingdon County, Pa. | James W. Gibbs. | suggest correction | |
| DRURY, WILLIAM 1 | England, c.1761, MIM | apprenticed to John Urings 2 in the Joiners' Company on Aug. 18, 1761; might be William Drury 2, which see. | Crawforth 7. | suggest correction | ||
| DRURY, WILLIAM 2 | England, fl.1769-74, MIM | may be the same as William Drury 1, which see. | Dale Street (1769); North Side Old Dock (1772); both in Liverpool. | Bryden 9; Crawforth 7. | suggest correction | |
| DRYANDER, JOHANNES | Germany, c.1500-60, | expert instrument designer; "Cylindri usus et canones", 1543, is first known description of a portable cylinder sundial; Johann Eichmann, M.D. | RSW. | suggest correction | ||
| DRYDEN, JOHN | England, | Water Clock = X; Garden Sundial, 1677 = D.(1996). | water clock is modern work; sundial looks like Pearson Page work, has long motto. | Coventry. | MAD, April, 1996; RSW. | suggest correction |
| DRYER, C. | USA, c.1850, PHIM | made thermometers and clocks. | Louisville, Ky. | USNM. | suggest correction | |
| DU BOIS, A. | Belgium, NIM | T.C. in sextant box, OMM. | Antwerp. | RSW. | suggest correction | |
| DU BUC | see Buc, du. | suggest correction | ||||
| DU PONT | France, 1580, MIM | Horizontal Sundial inside watch lid = P.C.; Sundial in watch = Bernal Sale. | Baillie thought about 1650. | Castres. | Benson; Baillie 1. | suggest correction |
| DUBARY | France, c.1810, MIM PHIM SIM | Wheel Barometer = Soth. 7/21/83; Graphometer = P.C. | barometer signed "Dubarry Selon Toricelli". | Dijon. | Brieux 2; RSW. | suggest correction |
| DUBAS | France, c.1850, NIM | Octant, night = NMM-S.84; Octant = PMM; Sextant = D.(1985). | "breveté." | Nantes. | Coffeen 11; RSW. | suggest correction |
| DUBINI 1 | England, PHIM | Wheel Barometer = X. | 8 North Place, Brunswick Place (London). | Goodison 1. | suggest correction | |
| DUBINI 2 | England, PHIM | Wheel Barometer = X. | 25 Little College Street, West Camdentown (London). | Goodison 1. | suggest correction | |
| DUBINI, L. | England, c.1815, PHIM | Wheel Barometer = Soth. 12/17/87. | Cross Street, Hatton Garden, London. | RSW. | suggest correction | |
| DUBINI, PETER | England, fl.1832-60, PHIM | Wheel Barometer = X. | also spelled Duhum and Dulbini (?). | 11 Beauchamp Street (1832-33); 12 Beauchamp Street (1836); both in Leather Lane; 47 Red Lion Street (1853-60); all in London. | Goodison 1. | suggest correction |
| DUBOIA | France, MIM | Butterfield-type Sundial = OXF. | possibly owner, engraving is different; may be misreading for Dubois. | Paris. | RSW; Soth. 2/28/80. | suggest correction |
| DUBOIN | France, 18th Century, | see Dubois. | Paris. | Nachet. | suggest correction | |
| DUBOIS | France, fl.1771-74, MIM OIM PHIM SIM | wide range of instruments that may be seen in many museums, including ADL, ROM, FLO, COR, NMM, etc. | Aux Génies, Paris. | Daumas 1; Michel 3; Bonelli 1 and 4; Nachet; Italian Inv.; Frank; Wynter 1; Courtanvaux; A.J. Turner 10; ADL; RSW. | suggest correction | |
| DUBOIS, FREDERIC WILLIAM | Switzerland, 1811-69, MIM | Frédéric William Dubois; made several astronomical clocks. | Le Locle. | Baillie 1. | suggest correction | |
| DUBOIS, HENNON | France, c.1800, | invented a type of surveying instrument for triangulation; it was made by Charles Mercklein. | Libert et Castor 4/28/82; RSW. | suggest correction | ||
| DUBOSCQ, JULES | France, 1817-86, MIM NIM OIM PHIM | Heliostats = WHI, Versailles 11/20/83, USNM; Microscopes = AMH, UTR, Versailles 11/20/83; Prism = La Rochelle 7/16/83; Goniometer = Soth. 3/10/87; Polariscope = USNM; etc. | "ingénieur, gendre et successeur de Soleil, opticien du Roy", 1849; "Appareil Breveté S.G.D.G."; also pupil and son-in-law of Soleil; traded as Duboscq- Soleil, which see; T.C.; took Ph. Pellin as a partner in 1883, until 1886 when Pellin took over. | 21, rue de l'Odéon au fond de la Cour, Paris (1849-83). | USNM; Calvert 2; Bonelli 1; Brieux 3; Fitzgerald; Paris 1900; Belgian Inv.; Van Cittert 3; G.L'E. Turner 24; Warner 13; RSW. | suggest correction |
| DUBOSCQ, L.J. | France, c.1850, OIM | perhaps related to Jules Duboscq. | 21 Rue de l'Odéon, Paris. | USNM. | suggest correction | |
| DUBOSCQ, TH. AND A. | France, c.1883, PHIM | J.W. Queen announced they were sole agents for the above; may have been disgruntled sons of Jules Duboscq. | Paris. | Warner 13. | suggest correction | |
| DUBOSCQ-SOLEIL, J. | France, 1851-75, PHIM | Solar Polariscope and Fresnel Press = Brown U., Providence, RI.; Saccharimeter = College of Charlston, SC; Fresnel Press = U. of Virginia; Cyanopolarimeter = Columbia College (University); etc. | "J. Duboscq-Soleil Brete S.G.D.G." | Paris. | Warner 13. | suggest correction |
| DUBOSE | France, MIM SIM | Graphometer = P.C. | RSW. | suggest correction | ||
| DUBOSQ, G. | France, c.1831, PHIM | Polaiscope = FRK-M328. | polariscope; possibly J. Dubosq. | Paris. | Frank; G.L'E. Turner 24. | suggest correction |
| DUBOSQ, PROSPER EDMOND | France, MIM SIM | Surveying Square = P.C. | RSW. | suggest correction | ||
| DUBOSQ-SOLEIL, J. | France, c.1850, OIM | Microscopes = UTR, STM. | surely Jules Duboscq. | 35 Rue de l'Odéon, Paris. | Van Cittert 3; G.L'E. Turner 24; RSW. | suggest correction |
| DUBY, C. | France, 1724, MIM | Horizontal Sundial, round, lead, 1724 = Schuhmann Sale. | Estavage. | RSW. | suggest correction | |
| DUCHAFFAT, A. | see Chaffat, a. du. | RSW. | suggest correction | |||
| DUCHASSAR, A. | see Chaffat, a. du. | RSW. | suggest correction | |||
| DUCHEMIN, EMILE | France, 19th Century, NIM | Compass Rose = AMST. | Paris. | Mörzer Bruyns. | suggest correction | |
| DUCHER | alternative spelling is Tucher. | suggest correction | ||||
| DUCHER, CHRISTOPH | Germany, 1582-1632, MIM | member of the compass makers' guild; became a pedlar. | Nürnberg. | Gouk 1. | suggest correction | |
| DUCHER, H. | Germany, MIM | Polyhedral Sundial, octagonal, compass on top = DRE. | RSW. | suggest correction | ||
| DUCHER, HANNS | Germany, fl.1600-09, MIM | Sundial in watch case, 1600 = ADL-M287; Mining Compass, 1609 = ADL-M173. | ADL-M173 is signed "hanns ducher faci eh badt 1609"; ADL-M287 is signed "hanns ducher 1600"; punchmark is orb; Zinner confused him with Hans Ducher (Tucher), the ivory diptych sundial maker. | Engelmann 1; ADL; RSW. | suggest correction | |
| DUCHER, HANS 1 | Germany, fl.1537-50, MIM | made ivory diptych sundials; Master in 1537; Ducher used a serpent as a mastermark; one of his sundials, signed "H.D." (2), is at OXF. | Nürnberg. | Zinner 1; Gouk 1. | suggest correction | |
| DUCHER, HANS 2 | Germany, fl.1557-1615, MIM | Diptych Sundials, ivory = OXF (1560, 1567), MERC-68 (1576) = Soth. 12/12/55. | became master in 1557; made ivory diptych sundials dating from 1560-97; hard to tell his work apart from Hans Ducher 3, his son, when their dates overlap; see H.D. 2. | Nürnberg. | Zinner 1; Evans 1; Gouk 1; Hamilton 1 and 2. | suggest correction |
| DUCHER, HANS 3 | Germany, 1549-1632, MIM | Diptych Sundials, ivory = P.C. (1569), ADL-W20, ADL-DPW30, BM (5), UTO 11/2/76, Christie-G 5/3/86, WHI (1567), OXF (1578), (1588), Huelsmann Coll. (1580); Cube Sundial, brass, 1581 = WHI. | son of Hans Ducher 2; Master in 1580; made ivory diptych and brass sundials dating from 1569-1621; some of the dials prior to 1597 may be by Hans Ducher 2; used both plain and spotted snakes as mastermarks; sometimes signed "H.D." (2), or "Hans Tucher" (OXF, 1588, signed as the latter), which see; see H.T. | Nürnberg. | Zinner 1; Bryden 16; Price 3; Ward 4; Engelmann 1; Gouk 1; Syndram; ADL; RSW. | suggest correction |
| DUCHER, HANS CHRISTOPH | Germany, 1584-post-1656, MIM | member of Compassmakers' Guild; became a city wait. | Nürnberg. | Gouk 1. | suggest correction | |
| DUCHER, JORG | Germany, c.1490, MIM | became Master compass maker in 1490; probably made ivory diptych sundials. | Nürnberg. | Zinner 1; Gouk 1. | suggest correction | |
| DUCHER, JOSEF | Germany, 1614-44, MIM | Diptych Sundials, ivory, = STU (1641), OXF (1642), OXF, WHI, Drecker Coll. = DPW. | bird flying to left was his punchmark; several sundials with this punchmark are in the Huelsmann Coll. | Nürnberg. | Zinner 1; Gouk 1; Syndram; Bryden 16. | suggest correction |
| DUCHER, JOSEPH PLUMEN | Germany, 1642, MIM | Diptych Sundial, ivory, 1642 = Phillips 10/20/82. | "Angst und Kumer ist aler menschen Driwsal"; probably same as Joseph Ducher. | Nürnberg. | RSW. | suggest correction |
| DUCHER, KATHARINA | Germany, fl.1530, MIM | compass maker. | Nürnberg. | Gouk 1. | suggest correction | |
| DUCHER, THEODOR | Germany, c.1600, MIM | Diptych Sundial, 1600 = X. | compass maker. | Nürnberg. | Gouk 1. | suggest correction |
| DUCHER, THOMAS 1 | Germany, 1590-1645, MIM | Diptych Sundials, ivory = OXF (1620), HAK. | son of Hans Ducher 2; Master in 1613; a snake is the mastermark; see T.D.; HAK is signed "Thomas Tucher"; Bryden thinks there are two unsigned diptych sundials at WHI by this maker. | Nürnberg. | Zinner 1; Gouk 1; Syndram; Bryden 16; RSW. | suggest correction |
| DUCHER, THOMAS 2 | Germany, 1683, MIM | Diptych Sundial, ivory, 1683 = NOR. | Nürnberg. | RSW. | suggest correction | |
| DUCOMMUN, FRANCOIS | France, 1763-1839, MIM | Tellurian Clocks = CHF (1817), MIS, P.C., D.(1965); Universal Ring Sun Dials = P.C. (2). | François Ducommun-dit-Boudry. | La Chaux-de-Fonds. | NMM 2; RSW. Britten; Baillie 1; Musée d'Horlogerie. | suggest correction |
| DUCOMMUN-DIT-BOUDRY | see François Ducommun. | suggest correction | ||||
| DUCOMMUN-DIT-TINNON, DANIEL | France, 1728, | wrote of making sundials, 1728. | La Chaux-de-Fonds. | RSW; DRE Notes, 1973. | suggest correction | |
| DUDIER, HANS | Germany, 1578, MIM | Diptych Sundial, ivory, 1578 = BASH. | the cover is 14th century work. | Augsburg. | Tardy. | suggest correction |
| DUDLEY | England, PHIM | Barometer = D.(1970). | RSW. | suggest correction | ||
| DUDLEY, JOHN | England, c.1731, | apprenticed to John Farmer 2 in the Joiners' Company, Dec. 14, 1731. | Crawforth 7. | suggest correction | ||
| DUDLEY, ROBERT | England; Italy, 1573-1649, | Sir Robert Dudley; author, invented several instruments including a mariner's astrolabe (1596), an azimuth sundial, etc.; examples are in BM and FLO; exiled from England and went to Florence. | London; Florence. | Taylor 1(92); Bonelli 1; Michel 3, Boffito; Price 3; Italian Inv.; Ward 4; A. Stimson 3; G.L'E. Turner 24. | suggest correction | |
| DUDMAN, T. | England, NIM | Sextant, ebony and ivory = Star of India Maritime Museum, San Diego, Cal. | London. | RSW. | suggest correction | |
| DUDUICT, JACQUES | France, fl.1599-1645, | author; invented a sciatere (quadrant) to lay out sundials. | Blois. | Baillie 1; Zeitlin and Ver Brugge 219. | suggest correction | |
| DUFFEY, JAMES P. | USA, fl.1844-57, MIM NIM OIM PHIM SIM | also made chemical and engineering instruments. | Philadelphia, Pa. | USNM. | suggest correction | |
| DUFOUR | France, MIM | Terrestrial Globe = P. and S. 11/21/1894. | Paris. | Evans 1; RSW. | suggest correction | |
| DUFOUR, H. | France, 18th Century, MIM | Sundials, oval, silver = OXF, Strozzi; Butterfield-type Sundial, silver = Drouot 2/18/23; Sundial = AMST. | Blois. | Evans 1; Mörzer Bruyns 1; RSW. | suggest correction | |
| DUGGLEBY, W. | England, c.1850, PHIM | barometer maker. | Kirkby Moorside. | Loomes 1. | suggest correction | |
| DUGLAS, JACQUES | France, NIM | Compass Rose = D.(1972). | Honfleur. | Brieux 3. | suggest correction | |
| DUGUE | France, c.1620, MIM | Sundial in watch = Ilbert Coll. | Dugué; Duguet? | Paris. | Baillie 1. | suggest correction |
| DUHAMEL 1 | France, 18th Century, MIM OIM | Sectors = Soth. 12/12/55, Huelsmann Coll., Koller May, 1966; Sundial = Drouot 11/14/68; Folding Rule = Koller May, 1966; Set of Drawing Instruments, case = DEU. | made lenses and Butterfield-type sundials. | Paris. | Michel 1 and 3; Evans 1; Nachet; Wheatland 2; Syndram; RSW. | suggest correction |
| DUHAMEL 2 | Germany, MIM | De Roias Sundial = DEU-1695. | DuHamel. | Munich. | Price 2; RSW. | suggest correction |
| DUHAMEL, CLEMENT | France; USA, 1818-86, MIM NIM OIM PHIM SIM | Surveying Compass = P.C.; Augsburg-type Sundials = P.C., D.; Telescope = USNM. | optician. | 111 Canal Street, New Orleans, La. | Smart 1; USNM; Price 2; RSW. | suggest correction |
| DUHIM | England, c.1832-33, | see Dubini. | London. | Goodison 1. | suggest correction | |
| DUHRE, GABRIEL OSTEN | Sweden, fl.1763-81, MIM | apprenticed to C.H. Westberg. | Stockholm. | Pipping 1. | suggest correction | |
| DUJARDIN, FELIX | France, 1801-68, | designed a microscope. | Nachet. | suggest correction | ||
| DULAC | France, c.1607, | invented a protractor with sundial and two movable arms; made by Vernie. | Hamilton 2; Whipple 1. | suggest correction | ||
| DULBINI | England, c.1836, | see Dubini. | London. | Goodison 1. | suggest correction | |
| DULNIG, J. | Germany, c.1820, MIM | Astrolabe = Bleiberg. | Bleiberg. | Kirnbauer 2. | suggest correction | |
| DULOULIN | France, 1845, MIM | Analemmatic Sundial, glass and metal, case, 1845 = Cincinnati Museum of Natural History. | "Cadran solaire analemmatique", 15"X12". | RSW. | suggest correction | |
| DULTON AND SMITH | England, 1828, PHIM | Set of Inspector's Standard Weights and Measures, 1828 = Phillips 10/26/83. | London. | RSW. | suggest correction | |
| DUMAYNE CADET | Switzerland, NIM | Mariner's Compass = Koller May, 1966. | Lausanne. | RSW. | suggest correction | |
| DUMONT D'URVILLE | France, c.1830, NIM | Artificial Horizon = PMM. | RSW. | suggest correction | ||
| DUMOTIEZ | France, c.1780, MIM OIM PHIM | Sector = PEA; Barometers = FLO (2); Microscope = CNAM; Augsburg-type Sundial = P. et J. Martin, Versailles 11/18/79; Electrometer = GEM. | one or the other of the Dumotiez frères. | Rue du Jardinet, no. 2; Rue Saint-André-des-Arts, both in Paris. | Brewington 1; Bonelli 1; Daumas 1; Moreau; A.J. Turner 10; USNM. | suggest correction |
| DUMOTIEZ FRERES | France, fl.1784-1815, PHIM | Hydrostatic Balance = P.C.; Air Pump = USNM. | Dumotiez Frères were Louis Joseph and Pierre François; succeeded by Nicholas Constant Pixii, 1815. | Rue du Jardinet; St André-des Arts; both in Paris. | Multhauf 1; USNM; Brewington 1; Daumas 1; Brieux 3; G.L'E. Turner 24; RSW. | suggest correction |
| DUMOTIEZ, LOUIS JOSEPH | France, b.1757; fl.1784-1815, PHIM | see Dumotiez Frères. | Rue du Jardinet, Paris (1784). | Daumas 1; NMM 2; G.L'E. Turner 24. | suggest correction | |
| DUMOTIEZ, PIERRE FRANCOIS | France, fl.1784-1815, PHIM | Pierre François Dumotiez; see Dumotiez Frères. | Rue du Jardinet, Paris (1784). | Daumas 1; NMM 2; G.L'E. Turner 24. | suggest correction | |
| DUNBARR | USA, 1795, MIM | Philadelphia, Pa. or Maryland or South Carolina. | Prime; USNM. | suggest correction | ||
| DUNCAN 1 | Scotland, | see William Duncan. | suggest correction | |||
| DUNCAN 2 | England, c.1781, MIM | Zakhorloge = X. | might be John Duncan 1. | London. | Mörzer Bruyns; Clarke et al. | suggest correction |
| DUNCAN, JOHN 1 | England, fl.1828-34, OIM | 4 King David Lane, London. | Taylor 2(1835); O'Mara. | suggest correction | ||
| DUNCAN, JOHN 2 | Scotland, pre-1856, OIM | Microscope = D.(1981). | Aberdeen. | Moskowitz 122. | suggest correction | |
| DUNCAN, WILLIAM | Scotland, fl.1841-49, MIM OIM PHIM | Stick Barometer = X; Microscope = CRI = RSM; Level = RSM. | microscope signed "W. Duncan, Aberdeen"; barometer signed "Duncan 92 Union Street, Aberdeen." | 46 Dee Street (1841); 92 Union Street (1842-49); both in Aberdeen. | Goodison 1; Bryden 3; Nachet; Gunther 2; Clarke et al. | suggest correction |
| DUNDAS | see Melville, Dundas and Whitson. | suggest correction | ||||
| DUNGAN, L. | England, PHIM | Wheel Barometer = Soth.-S 4/24/87. | Newcastle. | RSW. | suggest correction | |
| DUNKEN, THOMAS | England, c.1830, MIM | apprenticed to William Gilbert of the Grocers' Company, March 4, 1830. | J. Brown 1. | suggest correction | ||
| DUNN 1 | England, pre-1794, NIM | Sextant, rosewood = Leigh and Soth. 4/10/1794-65. | possibly Samuel Dunn. | RSW. | suggest correction | |
| DUNN 2 | Scotland, PHIM | Marine Barometer = X; Theodolite = FRK = RSM. | may be John 2 or Thomas Dunn. | Edinburgh. | Goodison 1; Clarke et al. | suggest correction |
| DUNN, JOHN 1 | England, c.1758, MIM | apprenticed to John Parminter 1 of the Grocers' Company on May 17, 1751; free of the Company on June 6, 1758. | J. Brown 1. | suggest correction | ||
| DUNN, JOHN 2 | Scotland, fl.1824-43, MIM OIM PHIM SIM | Level = RSM; Theodolite = Soth. 6/23/87; Graphometer, 1827 = Soth. 2/25/86 = RSM; Pyrometer = RSM; Magnetic Survey Compass = RSM; Transit for chronometer adjustment = RSM. | T.C.; made an improved air pump; older brother of Thomas Dunn; protractor, thermometer and telescope = Nisbet 4/4/1860; probably made barometer signed "Dunn Edinburgh"; RSM graphometer also marked "invt et fecit." | 7 West Bow (1824); 25 Thistle Street (1825-27); 52 Hanover Street (1828-31); Sign of the Gilded Globe, 50 Hanover Street 1832-42; all in Edinburgh; 157 Buchanan Street (1840); 28 Buchanan Street (1841); both in Glasgow. | Goodison 1; Calvert 2; Bryden 3; Taylor 2(1542); Clay and Court; Darius 3; Chaldecott 3; RGO; R.G.W. Anderson 1; Clarke et al; RSW. | suggest correction |
| DUNN, MICHAEL | 1813, MIM | Evans 1. | suggest correction | |||
| DUNN, SAMUEL | England, 1723-94, MIM NIM | designed an orrery within an armillary sphere, pre-1780; improved azimuth compass and Hadley's quadrant. | Crediton, Devon (-1751); Ormond House, Chelsea; Brompton Park, near Kensington (1763); 6 Clement's Inn, near Temple Bar (1774); 8 Maiden Lane, Covent Garden (1774); 1 Boar's Head Court, Fleet Street (1780-94); all in London. | Taylor 2(348); RSW. | suggest correction | |
| DUNN, THOMAS | Scotland, fl.1818-67, MIM OIM PHIM SIM | Pantograph = Soth. 7/4/66; Telescopic Levels (2) = RSM; Stick Barometer = Soth. 2/4/77; Box Sextant, 1842 = Exhibit,"1000 Years of Navigation", Brussels, 1979; Calendar, elapsed-time, circular = P.C.; "Improved Pantograph" = RSM; Theodolite = P.C.(1987); Surveyor's Compass = P.C.(1987); Transit, incomplete = RSM. | worked with his brother, John Dunn 2, 1825-43; succeeded him, 1843-67; T.C.; in the London Exhibition of 1851; RSM transit marked "Edinburgh"; designed an accounting slide rule in 1818. | Glasgow (c.1818); 50 Hanover Street, Edinburgh (1843-67). | Taylor 2(1542); Goodison 1; Bryden 1; Delehar 2 and 9; Clarke et al; RSW. | suggest correction |
| DUNNETT | see Jack Dunning. | A.J. Turner 10. | suggest correction | |||
| DUNNING, JACK | England, fl.1674-78, MIM OIM | may have been an apprentice of Richard Reeves 1; member of the Spectaclemakers' Company; a Turner; had John Marshall 2 as an apprentice in the Turners' Company; made tubes for telescopes. | Charing Cross, London. | Taylor 1(373); Evans 1; Crawforth 6; A.J. Turner 10. | suggest correction | |
| DUNOD, CLAUDE | France; Germany, 1672-1716, MIM | Mechanical Equatorial Sundials = HAK (1711 1713 1714), DUS (1714), MERC = WHI (1713), NYM (1714), OXF (1716), NYC, KRM, Freiburg i Breisgau Museum, KRE, etc. | of French origin; an early maker of the mehanical equatorial sundial; some of these dials have cams to set the latitude. | Burgundy; Munich (1678-95); Düsseldorf (1711-16). | Zinner 1; Bryden 16; Michel 1 and 3; Nachet; Whipple 1; Art.; Chandler and Vincent; Gunther 6; Rabenalt; Belgian Inv.; Brieux 3; RSW; W. Eckhardt 3. | suggest correction |
| DUNSCOMBE AND HUSBANDS | England, pre-1876, MIM OIM PHIM SIM | M.W. Dunscombe and H. Husbands. | Bristol. | Bryden 9. | suggest correction | |
| DUNSCOMBE, M.W. | England, c.1855, MIM OIM PHIM SIM | apprenticed to John Braham in 1855; succeeded him. | Bristol. | Bryden 9. | suggest correction | |
| DUNSFORD, JAMES N. | England, c.1830, OIM | Fore Street, Devonport. | Taylor 2(1836). | suggest correction | ||
| DUNSTON, PAUL | England, c. 1695, MIM | apprenticed to Simon Chapman of the Clockmakers' Company on June 24, 1687 for eight years. | J. Brown 3. | suggest correction | ||
| DUPEE, JOHN | USA, 1729-1773, MIM NIM SIM | Backstaves 1764 = X (1753), Kelton Coll. (1764)(1990); Octants = PEA (1755), X (1760); Surveyor's Compasses, wood = Bostonian Society, South Natick Historical Society, P.C., Andover Historical Society, Mass., etc. | father was a French Huguenot; PEA quadrant made for Patrick Montgomerie; made nautical compasses. | North Side of Swing Bridge, Boston, New Eng. | Bedini 1; Smart 1; Taylor 2(472); USNM; Brewington 1; Price 2; American Neptune, Jan. 1975; D.J. Warner 8, 10 and 12; RSW. | suggest correction |
| DUPRA | France, c.1770, PHIM | worked 18 years for the Abbé Nollet. | Paris. | Daumas 1. | suggest correction | |
| DUPRESSOIR, C. | France, c.1850, MIM SIM | Mining Compass, box = P.C.(1987). | succeeded Baraban. | rue St. Honoré, 175, Paris. | RSW. | suggest correction |
| DUPRESSOIR, J.P.H. | France, MIM | Planetarium on clock = MLL. | Paris. | RSW. | suggest correction | |
| DUPUIS, JEAN | France, 17th Century, MIM SIM | Theodolite, wood = ROU-207; Theodolite, elaborate = CNAM; Astronomical Clock = ROU-260. | Paris. | Michel 3; Nachet. | suggest correction | |
| DUQUET | France, c.1733, | devised a water clock. | Baillie 1. | suggest correction | ||
| DUREN | USA, | see Henry Duren, Alder and Duren, Bassnet and Duren, Duren and Alder, Duren and Castigan, Duren and Mediger. | New York, N.Y. | RSW. | suggest correction | |
| DUREN AND ALDER | USA, | T.C.; dealers in nautical instruments. | 20 Burling Slip, New York, N.Y. | RSW. | suggest correction | |
| DUREN AND CASTIGAN | USA, NIM | Sextants = Mystic Seaport, Conn.(2). | New York, N.Y. | RSW. | suggest correction | |
| DUREN AND MEDINGER | USA, c.1850, | T.C.; dealers in chronometers. | 20 Burling Slip, New York, N.Y. | RSW. | suggest correction | |
| DUREN, HENRY | USA, fl.1852-61, MIM NIM PHIM | Quadrants = P.C., MYS; Octants = Whaling Museum, Nantucket, Mass., Newport Historical Society, R.I.; Sextants = MYS (2). | "S.B.R." signed on ivory scale of P.C. quadrant; "Importer"; may have made some instruments; machinist, 1860; nautical instrument maker, 1861; name stamped on a Spencer & Co. sextant at ADL; American agent for James Bassnett. | 39 Burling Slip, opposite Fulton Ferry, one door from South Street, New York, N.Y. | Brewington 1; USNM; Moskowitz 104; ADL; RSW. | suggest correction |
| DUREN, T. | USA, c.1860, NIM | Octant, ebony, case = D. | probably a misreading; H. Duren T.C. in lid of box. | New York, N.Y. | RSW. | suggest correction |
| DURER, ALBRECHT | Germany, 1471-1528, | Altitude Sundials, round = WRAY, NYM, ADL-T4. | the sundials listed are all modern work, probably by D.B. Sheahan; Dürer designed sundials which are shown in his book on perspective; artist; author. | Nürnberg. | Lübke; Zinner 1; Baillie 1; Kurz; ADL; RSW. | suggest correction |
| DURHAM, W. | see William Derham. | Aked. | suggest correction | |||
| DURINGER | see Döring. | Evans 1. | suggest correction | |||
| DURKEE, C.D., AND CO. | USA, NIM | Boxed Dry Compass = MYS. | New York, N.Y. | RSW. | suggest correction | |
| DURN | see Duru. | Evans 1. | suggest correction | |||
| DUROD, CLAUDE | see Claude Dunod. | Smith. | suggest correction | |||
| DURONI AND CO. | Italy, MIM | Set of Drawing Instruments = Christie-SK 12/1/83. | German work, so Duroni and Co. probably dealers. | Milan. | RSW. | suggest correction |
| DURRAN, JAMES HOPKINS | England, fl.1832-54, PHIM | advertised thermometers and barometers. | Banbury. | Beeson. | suggest correction | |
| DURROCH, W.F. | England, c.1850, OIM | Microscopes = Christie-SK 3/4/82, Soth. 9/20/83. | Soth. one signed "H. Durroch." | 28 St. Thomas's Street, Borough, London. | RSW. | suggest correction |
| DURU | France, 1717, MIM | Sundial, in wooden box, 1717 = P. and S. 3/20/1896 = P. and S. 5/19/1896. | might be Durn. | RSW. | suggest correction | |
| DURU, L., ET FILS | France, OIM | Telescopic Level = Melun 4/24/83. | Bordeaux. | RSW. | suggest correction | |
| DUTCH, HENRY D. | USA, fl.1841-42, MIM NIM PHIM | Boston, Mass. | USNM. | suggest correction | ||
| DUTRO | France, c.1850, MIM SIM | Y-Level = P.C. (1987); Mining Dial = P.C. (1987). | the instruments are signed "Dutro Fabt." | Bould. St. Germain, 94, Paris. | RSW. | suggest correction |
| DUTTON AND SMITH | England, c.1815, PHIM | Apothecary Balance = D. | "Scale Makers, late apprentice and foreman to Vincent and Co., London Bridge." | 248 Tooley Street, near London Bridge, London. | Coffeen II. | suggest correction |
| DUTTON, HENRY | England, c.1666, | misreading for Henry Sutton? | Evans 1. | suggest correction | ||
| DUTTON, MATTHEW | England, fl.1779-1800, MIM | free of the Clockmakers' Company in 1779; Master of the Company, 1800. | London. | Robischon. | suggest correction | |
| DUTTON, RICHARD | England, fl.1663-82, MIM | probably a sundial maker. | Sign of the Dial, Holborn, London. | Taylor 1(296); Evans 1. | suggest correction | |
| DUVAHN, CARL | Sweden; Denmark; Sweden, fl.1845-86, MIM | Lund (1845-49); Copenhagen (1849-); Lund (-1886). | Pipping 1. | suggest correction | ||
| DUVAL | France, c.1680, MIM NIM | Horizontal Sundial = SPI; Marine Compass, 1680 = SPI. | made table sundials with bubble levels; Pierre Duval? | Paris. | Michel 3; Nachet; Ernst. | suggest correction |
| DUVAL, PIERRE | France, 1618-83, | wrote treatise on the sphere. | Michel 3. | suggest correction | ||
| DUYSTER, J.J. | Holland, 1761-1813, MIM | Rotterdam (c.1806). | Daumas 1. | suggest correction | ||
| DWELLE, E. | USA, c.1832, MIM OIM | USNM. | suggest correction | |||
| DWYER, R.O. | Canada, c.1790, NIM | Sextant = Royal Ontario Museum. | St. Johns, Newfoundland. | USNM. | suggest correction | |
| DYAS, Y°. | Portugal, fl.1614-28, NIM | Mariner's Astrolabes = Museo de las Casas Reales, Santo Domingo, Dominican Republic (16?9) (NMM-40), Dept. of Culture, St. John's, Newfoundland (1628) (NMM-44), Christie-NY 6/14/88 (Atocha)(1614)(NMM-60) = Museo de Marinha, Lisbon. | thought to be Joa~o Dias; the small "o" is directly over the "Y"; NMM is the National Maritime Museum Registry of Mariner's Astrolabes. | Stimson 3. | suggest correction | |
| DYER, SAMUEL | England, c.1696, MIM | apprenticed to Walter Henshaw of the Clockmakers' Company on March 3, 1696. | J. Brown 3. | suggest correction | ||
| DYSON, JOHN | England, c.1695, MIM | apprenticed by turnover to Peter Collins of the Clockmakers' Company on Oct. 25, 1687; free of the Company, April 1, 1695. | J. Brown 3. | suggest correction |
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