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.See an error? Suggest a correction!
| Signature | Maker Info | Instruments | Comments | Location | References |
| 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. |
| 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. |
| D'ANNONE, NIKLAUS | Switzerland, fl.1678-1703, MIM | Astronomical Clock = BASH. | Basle. | Baillie 1; Britten. | |
| D. AND F. | England, c.1810, NIM PHIM | Hydrometer = D. | Dring and Fage. | RSW. | |
| D. AND S. | USA, -1866, MIM | Triangular Plotting Scale = P.C. | Darling and Schwartz. | Bangor, Maine. | G.L'E. Turner 24. |
| D. JAC. | Italy?, 1658, MIM | Plate for Equatorial Sundial, 1658 = NAC. | "D. Jac. in ordine cart. fecit anno 58." | Michel 3. | |
| D.A.V.M. | MIM | Universal Ring Dial = P.C. | bridge replaced by wire; similar instrument in Landau Coll. | RSW. | |
| D.B. 1 | David Beringer; see also D.B.F. | RSW. | |||
| D.B. 2 | Bobinger thought this was David Buschmann. | Evans 1; Bobinger 4. | |||
| D.B. PAT. | Germany; Austria, PHIM | Barometer, diagonal, No. 46 = GMM. | Munich; Innsbruck. | RSW. | |
| 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. |
| D.D. | Germany?, 1674, MIM | Sandglass, four-part, geared, 1674 = DRE. | RSW. | ||
| D.F. | England, c.1825, NIM | scale on an octant is marked "D.F." with a fouled anchor, Dring and Fage. | London. | Brewington 1. | |
| D.G. | 1573, MIM | Pillar Sundial, ivory, 1573 = STS. | Zinner 1. | ||
| D.G.B.F. | Italy, 1641, MIM | Diptych Sundial, ivory, 1641 = Drecker Coll. = DPW. | the dial has a cardboard lunar volvelle. | RSW. | |
| D.H.S./B.A.D. | 1693, MIM | Garden Sundial, stone, 1693 = NOR. | "D.H.S." over "B.A.D." | RSW. | |
| 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. | |
| D.K. 1 | Germany, fl.1707-13, MIM | Table Sundial, stone 1707 = MUN; Vertical Sundial, stone, 1713 = Landshut Isar Museum. | Zinner 1. | ||
| D.K. 2 | France, 18th Century, MIM | Horizontal Sundial, paper dial plate, in boxwood case = Lausanne Palais Rumine. | Strasbourg. | Zinner 1. | |
| D.K. 3 | see the entry "I." (2). | RSW. | |||
| D.N. | France, 17th Century, MIM | Diptych Sundial, ivory = Nouveau Drouot 5/20/88. | "D.N." is punchmark on back. | RSW. | |
| D.N.J. | 1693, MIM | Universal Ring Sundial, 1693 = DEU-26897. | RSW. | ||
| D.N.S. | see "DNS." | Engelmann 1; ADL; RSW. | |||
| D.P. | Germany?, 1664, MIM | Cruciform Sundial, 1664 = White Coll. = WHI (FIT). | Bryden 16; Evans 1. | ||
| D.Q. | 1754, MIM | Horary Quadrant, 1754 = USNM. | Capuchin sundial on reverse. | USNM. | |
| D.R.P. | Italy?, PHIM | Barometer = FLM. | Bonelli 4. | ||
| D.S. | see Dom Stefano Bonsignori. | Michel 3. | |||
| D.S.B.F.F. | Italy?, MIM | Sun and Moon Dial = FLO-2499. | for 40°30'; Don Stephano Buonsignori? | Florence? | Bonelli 1. |
| 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.. |
| 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. | |
| DAFFNAY, JOANNES | 1743, MIM SIM | Circumferentor, 1743 = BMR. | RSW. | ||
| DAGGER, D.D. FRANCISCUS LEONARDUS | Austria, 1729, MIM | Table Sundial, stone, 1729 = SLM. | Zinner 1; Haupolter. | ||
| DAGLISH, R. | England, c.1780, MIM SIM | Surveying Compass = P.C. | Orell near Wigan. | RSW. | |
| DAGUET, THEODORE | Switzerland, b.1795, OIM | made optical lenses. | Solothurn. | USNM; Exhibition of the Industries of the World, N.Y., 1853. | |
| DAKIN, JONATHAN | USA, c.1745, PHIM | balance maker. | Sign of the Hand and Beam, Boston, Mass. | Bedini 1. | |
| DALE, E.R. | England, c.1770, NIM | Backstaff = Phillips-NE 7/19/93. | may be owner. | ATG 7/10/93. | |
| 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. | |
| DALE, THOMAS | England, MIM | Sundial = Museum of Science and Industry, Oslo. | Bath. | Dr. Johan Knap, Antiquarian Horology, Sept. 1970. | |
| DALES, CHARLES | England, MIM | Heliochronometer = Soth. 7/10/67. | signed "optician"; perhaps only a dealer. | Bournemouth. | RSW. |
| DALLAND | England, OIM | Telescope = OMM. | misreading for Dollond. | London. | RSW. |
| DALLAWAY 1 | England, MIM | Compass Sundial = Soth. 2/9/56; Map Measurer = Phillips 4/20/83. | see Joseph James Dallaway. | London. | RSW. |
| DALLAWAY 2 | England, PHIM | Stick Barometer = X. | could be Dallaway 3 or 4. | Goodison 1; RSW.. | |
| DALLAWAY 3 | England, c.1775, PHIM | Wheel Barometers = X, Soth. 1/19/73. | optician. | Cheltenham. | Goodison 1; RSW. |
| DALLAWAY 4 | England, PHIM | Stick Barometer = Christie 5/26/76. | Bath. | RSW. | |
| DALLAWAY, I. | England, PHIM | Stick Barometer = Soth. Wilkinson and Hodge 12/18/24. | Stroud. | RSW. | |
| 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. | |
| 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. |
| DALTON, JOHN | England, c.1850, NIM | Hadley's Quadrant = PEA. | Hartlepool. | Brewington 1. | |
| 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. |
| DAME, RICHARD | USA, c.1840, MIM | made rulers. | Hanover, N.H. | DATM. | |
| DAMERIN, MAISON | Belgium, MIM SIM | Graphometer = Auction, Chartres 6/10/79. | House of Damérin. | Brussels. | RSW. |
| DAMMESTARRE | Holland?, MIM | Planetarium Clock = LEY. | RSW. | ||
| DANBY, JOHN | England, c.1737, | apprenticed to John Farmer 2 in the Joiners' Company on Feb. 14, 1737. | Crawforth 7. | ||
| DANCE, J.B. | misreading for John Benjamin Dancer. | RSW. | |||
| 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. |
| DANCER 2 | see Abraham and Dancer. | ||||
| DANCER AND ABRAHAM | England, c.1843, | surely Abraham and Dancer. | Manchester. | Alker. | |
| 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). | |
| DANCER, ABRAHAM | England, fl.1838-42, OIM | probably Abraham and Dancer. | 13 Cross Street, King Street, Manchester. | Taylor 2(2110); Clay and Court. | |
| 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. | |
| DANCER, J.B., AND CO. | England, fl.1883-1884, MIM OIM PHIM | John Benjamin Dancer and Co. | Manchester. | Alker and Osborne. | |
| 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. |
| DANCER, JOSIAH | England, fl.1810-35, OIM | father of John Benjamin Dancer who succeeded him in 1835. | Liverpool. | Taylor 2(1304); Clay and Court. | |
| 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. | |
| 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. |
| DANESI, PIETRO PAOLO | Italy; Paraguay, 1719-69, MIM | made sundials in Paraguay. | Babuco, Italy. | Morpurgo 1. | |
| 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. |
| DANGELO AND CADENAZZI | England, PHIM | Wheel Barometer = X. | Winchester. | Goodison 1. | |
| DANGELO, G. | England, PHIM | Wheel Barometer = X. | Basingstoke. | Goodison 1. | |
| DANIEL, HENRY | England, c.1687, | apprenticed to Thomas Walpole in the Grocers' Company on April 4, 1687. | J. Brown 1. | ||
| 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. | |
| DANIELL, EDWARD | England, c.1686, MIM | apprenticed by turnover to James Atkinson of the Clockmakers' Company on Sept. 6, 1686. | J. Brown 3. | ||
| 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. |
| 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. |
| DANIELS, AUGUSTUS | Austria, c.1765, MIM | Sundial = P.C. | Vienna. | USNM. | |
| DANKBAAR | Holland, 1789, NIM | Cross-staff, 1789 = BMR. | see L. Dankbaar. | Belgian Inventory; Société Belge; Mörzer Bruyns 2. | |
| 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. |
| DANKERTS, JUSTINUS | Holland, 1616, NIM | Compass Rose, 1616 = Hamburg State Archives. | may be related to Justus Danckerts, which see. | Amsterdam. | Schück 2; RSW. |
| DANNELLI | England, c.1850, PHIM | see Vittory and Dannelli. | Manchester. | RSW. | |
| DANNER, JACOB | USA, 1765-1850, MIM | probably father of Jacob Sensensy Danner, which see; also clock maker and silversmith. | Middletown, Va. | Smart 1. | |
| 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. |
| DANTI DEL RINALDI, PIERVINCENZO | see Pier Vincenzo Danti. | ||||
| DANTI, EGNATI | Italy, 1747, MIM | Armillary Sphere, 1747 = VNN. | probably a fake. | RSW. | |
| 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. |
| DANTI, GIROLAMO | Italy, c.1550, MIM | brother of Egnazio Danti, helped him with the maps in the Vatican. | Perugia. | Michel 3. | |
| DANTI, GIULIO | Italy, 1500-73, MIM | son of Pier Vicenzo Danti and father of Egnazio Danti; goldsmith and architect. | Perugia. | Michel 3. | |
| 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. |
| DANTIS, EGNAZIO | Cube Sundial, 1665 = BAR. | fake. | Pisa. | Catalogo Generale; RSW. | |
| DANTIS, G.B. | Italy, MIM | Compass with handle = BAR. | fake? | Pisa. | RSW. |
| DANVER, I.L. | USA, MIM SIM | Surveying Compass = Winchester-Frederick Historical Society, Va. | Middletown, Va. | USNM. | |
| DANVERS | USA?, 1775, MIM | Horary Quadrant, wood, 1775 = PEA. | RSW. | ||
| DARDENNE | France, c.1750, NIM | Octant = PMM. | Nantes. | Daumas 1; MADEX; Paris 1900; RSW. | |
| DARKER, C. | England, PHIM | Light Defractor = P. and S. 6/18/1894. | Lambeth (London). | RSW. | |
| DARKER, C. AND F. | England, PHIM | Kaleidoscope = WHI. | Whipple 1. | ||
| DARKER, W.H. | England, c.1850, | Pyrometer = D. | Paradise Street, Lambeth (London). | Weil 2(23). | |
| DARLET, THOMAS | England, 1769, NIM | Octant, 1769 = MYS. | Price 2. | ||
| DARLEY, JOHN | USA, 1721, NIM | Backstaff, 1721 = Auction, Honfleur 6/17/79 = D.(1983) = D.(1988). | M.A.D., Nov. 1983; Rinaldi 22; RSW. | ||
| DARLEY, THOMAS | 1769, NIM | Backstaff, 1769 = P.C. | RSW. | ||
| DARLING AND SCHWARTZ | USA, -1866, MIM | made rules; see D. and S. | Bangor, Maine. | G.L'E. Turner 24. | |
| DARLING, BROWN AND SHARPE | USA, MIM | made rules, squares, etc. | Providence, R.I. | USNM. | |
| DARLING, SAMUEL | USA, c.1833, MIM | rule maker; see Darling, Brown and Sharpe. | Portland, Me. | Bedini 8. | |
| DARLOT | France, c.1865, OIM | succeeded Maison Jamin, pre-1865. | Paris. | USNM. | |
| 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. |
| DATHEE, ALEXANDRE ET JEAN | France, fl.1769-72, OIM | Alexandre et Jean Dathée. | Quai de l'Horloge, Paris. | Daumas 1; Nachet. | |
| DAUTHIAU | France, fl.1735-67, MIM | Astronomical Clock with Armillary Sphere, 1749 = X. | designed by Passement. | Paris. | Baillie 1; Bertele 2. |
| DAVANS | see Dawans. | Rooseboom 1. | |||
| 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. |
| 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. | |
| DAVENPORT, JAMES M. | USA, fl.1835-37, MIM | 144 Race Street, Philadelphia, Pa. | Smart 1. | ||
| DAVENPORT, QUINCY AND CO. | USA, c.1846, | were agents for James McCoskrie. | 81 John Street, New York, N.Y. | USNM. | |
| 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. |
| DAVENPORT, S. AND J. | see S. and J.M. Davenport. | ||||
| 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. |
| 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. | |
| 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. | |
| 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. |
| DAVEY | England, c.1850, PHIM | Stick Barometer = Soth. 10/19/87. | Lewes. | RSW. | |
| DAVID, I. | Poland, 1638, MIM | Sectors = Museum, Torun (1638), SWE (1640); Protractor = Museum, Torun. | Gdansk. | Polish Inventory. | |
| DAVID, J. | England, MIM | see John Davis 3. | Windsor. | Taylor 2(1823); Daumas 1. | |
| DAVID, JACOB | Holland, b.1607 fl.1637, MIM | son of Jan David. | Leyden. | Rooseboom 1; Pipping 1. | |
| 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. |
| 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. |
| DAVIDSON, D. | England?, 1781, MIM | Polyhedral Sundial, stone, 1781 = EMA. | RSW. | ||
| 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. | |
| 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. |
| DAVIDSON, H. | USA, c.1864, MIM | made rules; "H. Davidson Maker/N.Y." | N.Y. | DATM. | |
| 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. | |
| 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. | |
| DAVIES | England, PHIM | Wheel Barometer = X. | Edward or James Davies? | Liverpool. | Goodison 1. |
| DAVIES AND CO. | England, MIM | Universal Ring Dial, on tripod = Christie 7/28/70. | Liverpool. | RSW. | |
| DAVIES AND MERRILL | see Merrill and Davis. | Moskowitz 103. | |||
| DAVIES, ALFRED, AND CO. | England, PHIM | Stick Barometer = VNN. | London. | RSW. | |
| DAVIES, D. | Scotland, fl.1823-32, MIM OIM | 110 Nelson Street (1823-25); 98 Trongate (1826-32); both in Edinburgh. | Bryden 3. | ||
| DAVIES, EDWARD | England, c.1835, OIM PHIM | optician; barometer maker? | 65 Bold Street, Liverpool. | Goodison 1. | |
| 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). |
| DAVIES, J. | England, c.1850, PHIM | Stick Barometer = D.(1996). | London. | ATG 6/22/96. | |
| 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. | |
| DAVIES, JAMES 2 | England, c.1835, OIM PHIM | optician; barometer maker? | 51 Paradise Street, Liverpool. | Goodison 1. | |
| 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. | ||
| 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. | |
| DAVIES, JOHN 3 | England, c.1825, PHIM | Barometer = Nat'l Museum of Wales. | also made long case clocks. | St. Harmons, Radnor. | Peate. |
| DAVIES, JOHN 4 | Scotland, | "optician"; see John Davis 5. | Edinburgh. | Clarke et al. | |
| DAVIES, M. | England, c.1820, OIM | 101 High Street, Marylebone, London. | Taylor 2(1307). | ||
| DAVIES, OWEN | England, c.1835, PHIM | Stick Barometer = X. | Long Bridge?, Llanidloes. | Goodison 1. | |
| DAVIES, WILLIAM | England, 1670, MIM | Sundial, 1670 = X. | see Davys. | Clerkenwell, London. | Taylor 1(392). |
| DAVIES, WILLIAM C. | misreading for William C. Davis. | RSW. | |||
| DAVIS 1 | England, PHIM | Stick Barometer = X. | H. Davis? David Davis? | London. | Goodison 1. |
| DAVIS 2 | England, OIM | Telescopes, refracting = FRK-T169,T170. | probably John Davis 2. | Derby. | Frank. |
| 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. |
| DAVIS 4 | USA, c.1836, | see Merrill and Davis. | New York, N.Y. | RSW. | |
| DAVIS 5 | see Syeds and Davis. | ||||
| 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. |
| DAVIS AND SONS | England, PHIM | Barometer = Christie-SK 12/1/83. | see John Davis 2. | Derby. | RSW. |
| 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. |
| DAVIS, A. | England, OIM | T.C.; spectacle maker. | 29 Warner Street, Portland Place, New Kent Road, London. | Calvert 2; Crawforth 1. | |
| DAVIS, ALBERT | England, | Clepsydra, 1671 = P.C. | modern work? | Norwich. | RSW. |
| 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. | |
| DAVIS, CLARA | England, c.1830, MIM OIM PHIM | 12 South Finsbury, London.. | Taylor 2(1824). | ||
| DAVIS, D. 1 | England, c.1765, OIM | Cuff-type Microscope = FRK-M42. | London. | Frank. | |
| DAVIS, D. 2 | Scotland, PHIM | Stick Barometer = X. | Glasgow. | Goodison 1. | |
| 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. | |
| 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. |
| DAVIS, E. | England, PHIM | Stick Barometer = X. | optician. | Shrewsbury. | Goodison 1. |
| 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. | |
| DAVIS, ELIZABETH | England, c.1830, MIM | perhaps widow of David Davis, which see. | 9 Macclesfield Street, London. | Taylor 2(1529). | |
| 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. |
| DAVIS, G. 2 | England, c.1800, MIM | London. | Evans 1. | ||
| 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. |
| DAVIS, G.D. | England, 19th Century, MIM | Protractor with pivoted arm = Christie-SK 4/17/86. | Leeds. | RSW. | |
| DAVIS, GABRIEL | see Gabriel Davies. | Goodison 1. | |||
| DAVIS, H. | England, fl.1799-1822, OIM | succeeded by David Davis. | 8 Macclesfield Street, Soho, London (1799-1817). | Goodison 1; Taylor 2(1309). | |
| DAVIS, I. 1 | England, PHIM | Barometer = Soth. 7/15/66. | optician. | Leeds. | RSW. |
| DAVIS, I. 2 | see John Davis 3. | Chaldecott 1; KEN. | |||
| 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. | |
| DAVIS, J. 2 | see John Davis 3. | Taylor 2(1823); Chaldecott 1; RSW; Daumas 1. | |||
| 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. |
| DAVIS, J., AND SONS | England, c.1850, MIM NIM | Marking Protractor = D.(1991). | probably John Davis 2. | Derby. | Gemmary III. |
| DAVIS, JAMES | England, 1783, MIM | Perpetual Calendar, 1783 = RSM. | Birmingham. | RSW. | |
| 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. | |
| 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. |
| 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. |
| DAVIS, JOHN 4 | England, fl.1820-42, MIM OIM | 33 New Bond Street, London. | O'Mara. | ||
| 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. |
| 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. | |
| 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. | ||
| 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. |
| 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. |
| DAVIS, SAMUEL | England, c.1770, MIM | rule maker. | Burry Street, Wolverhampton. | Bryden 9. | |
| DAVIS, WILLIAM 1 | Ireland, c.1790, MIM SIM | Circumferentor = Soth. 3/10/87. | No. 7, Portland Row, Dublin. | RSW. | |
| DAVIS, WILLIAM 2 | England, PHIM | Wheel Barometer = X. | Shiffnall. | Goodison 1. | |
| 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. |
| DAVISON, THOMAS | England, c.1832, OIM | made a new form of reflecting telescope. | Taylor 2(1826). | ||
| DAVY, MICHAEL | England, c.1674, MIM | made gauges. | Evans 1. | ||
| 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). | |
| DAWANS, HENRIJ | Holland, fl.1758-69, MIM | The Hague. | Rooseboom 1. | ||
| DAWES | England, PHIM | Wheel Barometer = X. | Goodison 1. | ||
| DAWKINS, HENRY | USA, c.1740, | worked for Anthony Lamb as an engraver. | New York, N.Y. | Bedini 8. | |
| DAWSON 1 | Scotland, c.1790, PHIM | Stick Barometer = Christie-SK 10/20/89. | Perth. | RSW. | |
| DAWSON 2 | see Bywater, Dawson and Co.; see Dawson and Melling. | RSW. | |||
| DAWSON AND CO. | see Bywater, Dawson and Co. | Taylor 2(1288). | |||
| DAWSON AND MELLING | England, fl.1837, MIM OIM | agents for R.B. Bate. | 20 South Castle Street, Liverpool. | Taylor 2(2114); Crawforth 1. | |
| DAWSON, ALEXE | Ireland, OIM | in telescope case; owner? | Dublin. | NMM 2. | |
| DAWSON, GEORGE | England, c.1722, | apprenticed to Mark Rogers in the Joiners' Company on June 19, 1722. | Crawforth 7. | ||
| DAWSON, M. | England, post-1780, MIM | Quadrant = KEN. | invented by G. Beck, patented in 1780. | KEN. | |
| DAWSON, NATHAN | England, PHIM | Wheel Barometer = X. | Goodison 1. | ||
| DAWSON, THOMAS | England, c.1650, NIM | turned over his apprentice, Ralph Greatorex, to Elias Allen. | J. Brown 1. | ||
| DAWSON, WILLIAM | England, c.1818, MIM | rule and bed screw maker. | Hill Street, Birmingham. | Bryden 9. | |
| DAY | England, c.1840, PHIM | Thermometer = PEA. | Brewington 1. | ||
| 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. |
| DAY, I. | England, OIM | Telescope, 4-draw = FRK-T156. | Frank. | ||
| DAY, ISAAC | England, c.1690, MIM | NMM 1. | |||
| DAY, JACOB | England, c.1694, MIM | son of Isaac Day. | NMM 1. | ||
| DAY, JOHN | England, c.1783, | apprenticed to John Blake in the Joiners' Company on May 20, 1783. | Crawforth 7. | ||
| DAY, W. | USA, 1850, OIM | patented a submarine telescope, 1850. | Brooklyn, N.Y. | USNM. | |
| DAY, WILLIAM | England, | see A. Martinelli and William Day and Co. | RSW. | ||
| DAYE | England?, 1678, MIM | Sector, boxwood, 1679 = HAR. | name is stamped; there is a perpetual calendar; might be owner. | Giordano X. | |
| DCC DVVV DIXVV | 1736, | Chalice Sundial, glass, 1736 = SLM. | chronogram. | RSW. | |
| DE BIE, C. | see Bie, C. de. | ||||
| 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. |
| DE GRAGE AND CO. | misreading for De Grave and Co. | Christie-SK 10/6/83. | |||
| 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. |
| 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. | |
| DE GRAVE AND SAWGOOD | England, post-1821, PHIM | balance makers. | London. | Taylor 2(841). | |
| 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. |
| 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. |
| 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. | |
| 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. |
| 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. |
| 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. | |
| 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. |
| DE JONG EN BRUYN | Holland, c.1850, NIM | Azimuth Compass = AMST. | Amsterdam. | Mörzer Bruyns 1. | |
| DE L'ISLE, GUILLAUME | France, | see "Isle, Guillaume de l'." | RSW. | ||
| DE LA COUR | England, c.1850, PHIM | Stick Barometer = Soth. 2/19/87. | 327 and 59 High Street, Chatham. | RSW. | |
| 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. | |
| DE MORY, D. | USA, NIM | Octant = VNN. | 62 South Street, New York, N.Y. | RSW. | |
| 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. |
| DE NEGANI | origin of Denegan, Donegan? | Bedini 1. | |||
| 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. | |
| 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. | |
| DE STEUR, JACOBUS | Holland, c.1675, MIM NIM SIM | Holland Circle = X; Circumferentor = D.(1960). | Leiden. | Bryden 9; Price 2. | |
| DE. D.S. ERG. C.H. | 1571, MIM | Diptych Sundial, ivory, 1571 = VIE-AR2655. | Zinner 4. | ||
| DEACON 1 | England, c.1834-35, MIM | made model of part of Babbage's computing machine. | Beaufort House, Strand, London. | Taylor 2(1828). | |
| 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. |
| DEACON, FREDERICK | England, c.1822, PHIM | Stick Barometer = X. | barometer signed "F. Deacon, Leicester"; watch and clockmaker. | Market Place, Leicester. | Goodison 1. |
| DEACON, J. | England, fl.1795-1835, MIM PHIM | Wheel Barometer = Leicester Museum; Sundial = Phillips 7/17/85. | see Deacon 2. | Leicester. | Goodison 1; RSW. |
| 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. |
| 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. | |
| 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. | ||
| DEAN, JOHN | England, c.1828, MIM | 6 Fieldgate Street, Whitechapel, London. | O'Mara. | ||
| DEAN, PETER | England, c.1830, MIM OIM PHIM | Bear Yard, Lincoln's Inn, London. | Taylor 2(1531). | ||
| 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. |
| DEANE | England, c.1730, NIM | Compass Rose = Soth. 6/1/88. | "Deane fecit"; possibly Ino. Deane. | RSW. | |
| 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. | |
| DEANE, INO. | England, 1742, NIM | Backstaff, 1742 = D.(1974). | "Ino. Deane May 20 1742 IP." | Wynter 1. | |
| 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. |
| DEANS, JOHN | England, PHIM | Thermometer = Christie-SK 11/27/86. | on barometer by Lennie. | RSW. | |
| DEARBORN, WARREN | USA, 1802-63, MIM | made rulers, etc.; Dearborn and Skinner, cabinetmakers and planemakers. | Sandwich, N.H. | DATM. | |
| DEBOMBOURG, I. | France, c.1725, MIM | Protractor = D.(1993). | see Pierre Debombourg. | Lyon. | Coffeen 43. |
| 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. |
| DEBONNAIRE, MR. | 1647, MIM | Horizontal Sundial, 1647 = ADL-M271. | Engelmann 1; ADL; RSW. | ||
| DECHALES, CLAUDE FRANCOIS MILLIET | France; Italy, 1621-78, MIM | Claude François Milliet Dechales; compass maker; author. | Paris; Turin. | Schück; DSB. | |
| DECK | England, PHIM | Stick Barometer = X. | see I. Deck. | Leamington. | Goodison 1; RSW. |
| DECK, I. | England, PHIM | Wheel Barometer = Christie-SK 11/27/86. | may be same as Deck of Leamington. | Cambridge. | RSW. |
| DECOOL, J.F. | Belgium, c.1805, MIM | Astronomical Clock = P.C. = BMR. | Namur. | Société Belge; ART. | |
| DEE, J. | England, PHIM | Wheel Barometer = X. | Skipton. | Goodison 1. | |
| DEEMS | misreading for Deens. | Daumas 1. | |||
| DEENS, INDOCUS | misreading for Jodocus Deens. | P. and S. 4/3/1894. | |||
| 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. |
| 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. |
| DEGENAUR, PIETER DIRCKZ | Germany?, NIM | Compass Rose, paper = GMM. | RSW. | ||
| DEGERMAN, O.N. | Holland, 1756, OIM | Solar Microscope, 1756 = CRI-345 = KEN. | Rooseboom 1; Nachet; KEN. | ||
| DEGREZ | Sundial = Drouot 11/14/68. | probably misreading for "degrees." | RSW. | ||
| DEICHMANN, L. | Germany, MIM | Diptych Sundial, wood = Geographische Institut, Hamburg; Tellurian = DEU. | sundial is for 51°19'. | Kassel. | RSW. |
| 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. |
| 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. |
| 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. |
| DEIJL, JAN VAN 1 | Holland, 1704, OIM | Telescope, 1704 = UTP. | Amsterdam. | Rooseboom 1. | |
| 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. |
| DEIMAN | PHIM | made potentiometers. | McConnell (1984). | ||
| DEINERT, PAULUS | see Deivert; see P.D. | ||||
| 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. |
| DEIVERT, PAULUS | Germany, 1758, PHIM | Money Balance, 1758 = DRE. | Nürnberg. | RSW. | |
| DEKANG, JANA | Poland, 1643, MIM | Artillery Instrument, 1643 = Military Museum, Warsaw. | Lesznic. | RSW. | |
| DEKKER, R. | Holland, c.1791, MIM NIM | Nautical Rule = RIJ; Azimuth Compass = RIJ; Log = RIJ. | requested a patent in 1791. | Amsterdam. | Mörzer Bruyns 2. |
| DEL VECCHIO, J. | see Vecchio, J. del | Morrison-Low and Burnett. | |||
| 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. | |
| DELACOUR, L. | France, c.1730, MIM SIM | Cicumferentor = SPI-2763 = AND-SPI-30. | Dunkerque. | Daumas 1; Michel 3; RSW. | |
| DELAGRAVE | France, 19th Century, MIM | Magnetic Compass = Versailles 4/17/83. | RSW. | ||
| DELAGRAVE, CH. | France, MIM | Terrestrial Globe = CNAM-12852. | CNAM 1; Destombes 4. | ||
| DELAHAYE | France, PHIM | Stick Barometer = Soth. 5/18/89. | Paris. | RSW. | |
| 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. | |
| 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. | |
| DELAMARCHE 1 | see Charles François Delamarche. | ||||
| 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. |
| DELAMARCHE, C.F., ET MESSIER, C. | France, c.1780, MIM | Terrestrial and Celestial Globes = NMM-Caird. | Paris. | NMM 2; RSW. | |
| 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. |
| 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. |
| 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. |
| DELAMARCHE, MAISON | France, c.1860, MIM | Terrestrial Globe = Peron et Corsy, Melun 6/10/79. | the house of Delamarche. | Paris. | RSW. |
| DELAMARRE, CHOLLET | France, NIM | Repeating Circle = USNM. | Rue de Fourcy St. Antoine 6, Paris. | USNM. | |
| 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. |
| DELANDER, R. | England, c.1620, MIM | Sundial inside back cover of watch = Soth. 12/1/78. | RSW. | ||
| DELCANO, JUAN SEBASTIAN | Spain, fl.1520-26, MIM | Delcaño; globe maker. | Globus, Dec. 1956. | ||
| DELCOMINETE | France, 18th Century, MIM | Mechanical Equatorial Sundial = Auction Sale, Paris 11/24/79. | Moreau; RSW. | ||
| 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. | |
| 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. | |
| DELHEUX, JEAN | Belgium?, 1814, MIM | Vertical Sundial, pewter, 1814 = LIE. | RSW. | ||
| DELL'ACQUA, CARLO | Italy, 1806-75, PHIM | Barlow's Globe = Pavia University; Magnetic Sparkler = Pavia University. | Milan. | G.L'E. Turner 24; Brenni 1. | |
| DELLA TORRE, J. | Scotland, c.1850, PHIM | Wheel Barometers = Carter's Grove, Va., Soth. 2/4/77, Christie-SK 1/22/87. | Perth. | RSW. | |
| DELLA TORRE, T. | Scotland, PHIM | Barometer = Henry Ford Museum, Dearborn, Mich. | may be J. Della Torre. | Perth. | RSW. |
| DELLEBARRE | Holland, OIM | microscope maker; may be A. or Louis François Dellebarre. | Nachet. | ||
| DELLEBARRE EN BAYENS GEBROEDERS | Holland, c.1800, OIM | Microscope = LEY. | Delft. | Daumas 1. | |
| DELLEBARRE EN CANZIUS | Holland, fl.1798-1806, OIM | Microscopes = LEY(1798), CRI(1806), UTP, LEY, DEU. | Delft. | Rooseboom 1; Daumas 1; Gunther 2. | |
| 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. |
| 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. |
| DELLEMONT | France, pre-1840, | see Guillemin and Dellemont. | RSW. | ||
| DELLER, COMP. P. AEMILIANUS | Germany, 1786, MIM | Quadrant, 1786 = DEU. | also marked "Ben. Prist." | RSW. | |
| DELLING, P. AEMILIANUS | Austria, 1699-1746, MIM | may be "P.AE.D.P.K." signed on horizontal sundial at KRM. | Rabenalt. | ||
| DELMOTTE, J. | Belgium, c.1800, PHIM | Money Balance = Koller 11/17/75. | Brussels. | RSW. | |
| DELURE, CLAUDE | France, c.1723, MIM | son (?) of Jean-Baptiste-Nicolas Delure; apprenticed to him in 1723 in the "Corporation des fondeurs." | Paris. | Augarde. | |
| 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. |
| DELUREX | France, | misreading for Delure. | Gilbert 8/27/76. | ||
| DELVEDEZ | France, c.1800, OIM | Full Circle with Telescope = D. | Clermont. | Brieux files. | |
| DELVEDEZ AINE | France, c.1810, NIM | Holland Circle = P.C. | Delvedez Aîné. | Clermont. | Brieux 1; Wheatland 3. |
| 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. | |
| DEMEURIE | France, c.1820, NIM | Mariner's Compass = D. | Brest. | Brieux 1. | |
| 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. | |
| 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. | ||
| 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. | |
| 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. | |
| DENGG, P. JOSEPHUS | Germany, 1752, MIM | Analemmatic Sundial, 1752 = NUR-WI 1228. | Mondsee. | Zinner 1; Evans 1. | |
| DENISOR, FEDOR | Russia, 1789, MIM | Universal Equatorial Sundial, 1789 = MOS-18463. | Chenekal 1. | ||
| DENN, WILLIAM | England, c.1695, | apprenticed to John Waite of the Grocers' Company on May 6, 1695. | J. Brown 1. | ||
| DENNERT AND PAPE | England, c.1850, MIM | Instrument? = Soth. 10/4/77. | RSW. | ||
| DENNEWALT, GERHART | Germany, 1681, PHIM | Gold Balance, 1681 = HAM. | Hamburg. | RSW. | |
| DENNIS | England, OIM | Telescope, refracting = FRK-T 163. | London. | Frank. | |
| 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. | ||
| DENNIS, J.C. | England, c.1845, MIM NIM OIM PHIM | Calling card; see John Charles Dennis. | Bristol. | Chaldecott 3; RGO. | |
| 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. |
| DENNIS, JOHN WILLIAM | England, c.1816, MIM | apprenticed to John Holyman of the Grocers' Company, April 4, 1816. | J. Brown 1. | ||
| 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. | |
| 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. | |
| 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. |
| 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. | |
| DENT, E.I. | England, | see Edward John Dent. | |||
| 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. |
| DENT, J. | England, c.1845, PHIM | see Edward John Dent. | Particular Mechanic and Engineer's Magazine, Vol. IV, ppp. 100-01. | ||
| DENTON | England, | invented a level made by W. and S. Jones. | Whipple 1. | ||
| DENTON AND CO. | England, 1809, MIM | Terrestrial Globe, miniature, case, 1809 = Soth., Wilkinson and Hodge 11/16/22. | London. | RSW. | |
| DENTON, JOSEPH | England, PHIM | Wheel Barometer = X. | Hull. | Goodison 1. | |
| DENTZEL, JOHANN | Germany, 1572-1625, | painter; devised a variant type of graphometer in 1616 with his brother, Melchior Dentzel. | Ulm. | Bedini 3. | |
| 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. |
| DEPAGNET | France, c.1650, OIM | Dépagnet; made telescopes. | Paris. | Nachet. | |
| DEPARCIEUX, ANTOINE | France, 1703-68, MIM | made sundials, instruments and watches; invented a lens-polishing machine; author. | Paris. | Daumas 1; Nachet; Moskowitz 130. | |
| DEPETRIS, I., S.J. | France, 1753, MIM | Sundial, 1753 = ADL-A100. | ADL; RSW. | ||
| DEPEUILLE | France, 1786, PHIM | Thermometer on Barometer, 1786 = Drouot 11/19/70. | RSW. | ||
| 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. |
| DEPOVILLY | France, | see J.Pouilly and Depouilly. | Paris. | Nachet; Purtle; KEN; A.J. Turner 10; Coffeen 46; RSW. | |
| DERBY, EDWARD | England, PHIM | T.C.; "Successor to the Ingenious Mr. Joseph Hickman." | Union Court, facing St. Andrews Church, Holborn, London. | Calvert 2. | |
| 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. | ||
| 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. | |
| DERG, CAREL GUST. | Sweden, 1768, MIM | Horary Quadrant, 1768 = NOR. | Stockholm. | RSW. | |
| 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. |
| DERING, G. | 1791, PHIM | Lodestone, 1791 = P.C. | Wheatland 3. | ||
| DERNER, I.M. | misreading for Dorner. | Lagos and Jozsef; Zinner 1; RSW. | |||
| DEROGY | France, OIM | made optical instruments. | Paris. | USNM. | |
| DERRIEN ET LEPRIEUR | France, NIM | Sextants = MYS (3). | Derrien et LePrieur. | RSW. | |
| DERRY, CHARLES | England, c.1838, MIM PHIM | 6 Leigh Street, Barton Crescent, London. | Taylor 2(2115). | ||
| DERVIE, DE | France, pre-1690, OIM | mentioned by Bonani in 1690 as an instrument maker. | Lyon. | Clay and Court. | |
| DES BORDES & P.D.J.E. | France, c.1780, MIM | Surveyor's Square = P.C.(1987). | RSW. | ||
| DESAGNEAUX | France, c.1809, | invented a rapporteur, made by Marchois. | Paris. | Daumas 1. | |
| 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. | |
| DESARGUES, GERARD | France, 1593-1661, OIM | Gérard Desargues; worked on objective lenses; author. | Paris. | Nachet; Daumas 1. | |
| 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. | |
| DESCOMBES, MAL(COLM) | England, NIM | Octant = P.C. | RSW. | ||
| DESCRIVANI | Italy, c.1832, | designed a planetarium, made by Pierret and at CNAM. | Morpurgo 1; CNAM 2. | ||
| 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. | |
| 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. |
| DESHARYS, JEAN | France, c.1790, | instrument maker? | Nachet. | ||
| 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. |
| DESLINCOURT, JEAN FRACTORENSIS | France, c.1680, MIM | Skaphe, 1680 = CNAM-929. | copy of a classic skaphe; Fractorensis may be a town. | CNAM 2. | |
| 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. |
| DESNOS, V.T. | France?, 1850, MIM | Goniometer, 1850 = MOS. | designed by Douglas. | Novokshanova-Soklovskaja. | |
| DESPAGNET | see Dépagnet. | Nachet. | |||
| DESROLIS | see Mlle. Ginot-Desrois. | RSW. | |||
| DESUOS | France, MIM | Goniometer = Koller, May 1962. | probably Desnos. | Paris. | RSW. |
| DETOUCHE | France, MIM | Pliers, engraved, iron = ROU-306; Planetarium = CNAM. | Sedan. | Michel 3. | |
| 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. | |
| DETURE | France, | cadran solaire de poche fin 18ème | Delure, fabriquant | Paris | Pugsley Sale. Corpechot. |
| DEUCHAR, JOHN | Scotland, fl.1815-33, PHIM | made chemical apparatus. | Lothian Street, Edinburgh. | Bryden 3. | |
| 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. | |
| DEUR, JOHANNES | Holland, fl.1702-14, MIM | Terrestrial Globes, cases = KRA, LEY. | engraved maps. | Amsterdam. | Globus, Dec. 1956; Krogt 1; Edell 1. |
| DEVACHT, FRANCOIS | USA, c.1792, MIM | François Devacht; made sundials, compasses, etc.; worked with his brother, Joseph. | Gallipolis, Ohio. | Bedini 1. | |
| DEVACHT, JOSEPH | USA, c.1792, MIM | made sundials, compasses, etc.; worked with his brother, François. | Gallipolis, Ohio. | Bedini 1. | |
| DEVASTON, J. | England, 1790, MIM | Pantograph, 1790 = P.C. | RSW. | ||
| DEVAULX | France, 1583, MIM | Astrolabe, geographical, paper, 1583 = Giraudon. | Reichen. | ||
| DEVINPORT, ROBERT | variant of Robert Davenport. | Bryden 3. | |||
| DEVOT | France, NIM | Dry Card Compass = MYS. | Le Havre. | RSW. | |
| DEW, SAMUEL | USA, 1822, | patented nautical compass, 1822. | Romney, Va. | USNM. | |
| DEWAR, SIR JAMES | England, 1842-1923, | see Liveing and Dewar. | G.L'E. Turner 24. | ||
| 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. | ||
| DEWRY | England, 1693, | zodiac band engraved on Coronelli globe by Dewry. | Grimaldi. | ||
| DEXTER, GEORGE | USA, 1846, PHIM | 57 State Street, Albany, N.Y. | USNM. | ||
| DEYERLIN | England, 1819, | see Holtzapffel and Deyerlin. | RSW. | ||
| DEYL | see Deijl; also found as Deyle. | ||||
| DHIDERIC, MISER | Germany, c.1200, MIM | Sundial on pillar of church = Niederurff. | "Dhideric Miser Fecit." | Niederurff. | Zinner 1. |
| DIAKOFF, GEORGE | Russia, MIM | made a new type of arithmometer. | St. Petersburg. | USNM. | |
| 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. | |
| DIBBLEY | England, fl.1560-70?, MIM | also clock maker. | Taylor 1(28); Evans 1. | ||
| DIBOLD, JOH. CHRISTOPH | Germany, 1780, MIM | Celestial Globe, 1780 = Baden-Baden Neues Schloss-6897. | Durlach. | Zinner 1. | |
| 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. |
| DICAS 2 | England, c.1800, MIM | Slide Rules, ivory = BM, NMM-Gabb Coll., KEN (2). | London. | Price 3; Ward 4; KEN; RSW. | |
| DICAS AND ARSTALL | England, c.1807, PHIM | Mary Dicas and George Arstall; patent hydrometer makers. | 8 North Side Old Dock, Liverpool (1807). | Bryden 9. | |
| 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. |
| DICAS, I. | England, MIM | Compass = Christie-SK 3/31/83. | may be related to Ann Dicas; see John Dicas. | Liverpool. | RSW. |
| 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. |
| 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. | |
| DICEY | misreading for Dixey. | Soth.-S 10/19/89. | |||
| 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. | |
| DICK, WILLIAM | England, c.1723, MIM | apprenticed to John Dobson of the Clockmakers' Company, June 3, 1723. | J. Brown 3. | ||
| DICKENS, JOHANNES | Holland, c.1740, NIM | Reflecting Circle = AMST. | Amsterdam. | Mörzer Bruyns 1 and 2. | |
| DICKENS, JOHN | England, c.1648, | apprenticed to Walter Hayes of the Grocers' Company on Sept. 12, 1648. | J. Brown 1. | ||
| DICKINSON, EDMUND | USA, c.1772, MIM | made dip needles. | Williamsburg, Va. | Bedini 8. | |
| DICKINSON, S. | England, 1808, NIM | Compass Rose, 1808 = X. | Schück. | ||
| 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. | |
| DICKMAN, JOHN 2 | England, pre-1830, MIM | see John Dickman and Son. | Quayside, West Shore, Sunderland. | Taylor 2(1829)(1829a). | |
| DICKMAN, JOHN, AND SON | England, c.1830, MIM | John Dickman 2 and his son. | Quayside, West Shore, Sunderland. | Taylor 2(1829a). | |
| DICKSON AND CARGILL | Ireland, OIM | Student Microscope = P.C. | optician. | Belfast. | RSW. |
| DIDDERICHSEN, JACOB | Denmark, MIM | Magnetic Compass, box = FRE. | cast pewter or tin. | Copenhagen. | Price 2. |
| DIEBOLDT | France, MIM | Drawing Instruments = LEY; Instrument = DEU. | Strasbourg. | RSW. | |
| DIEGHEM, FRAN DE | Belgium, MIM SIM | Circumferentor = D.(1960); Quadrant = VEN. | sometimes signed "F.R. van Dieghem." | Brussels. | Bonelli 4; RSW. |
| DIEM, JAKOB | Germany, fl.1586-89, MIM | Astronomical Clock = Old Town Hall, Esslingen. | Esslingen. | Zinner 1. | |
| DIEN, CHARLES 1 | 1740, MIM | Terrestrial Globe, 1740 = P.C. | Globus, Dec. 1957. | ||
| 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. |
| DIENERT, PAULUS | PHIM | balance maker; see "P.D." (1); may be Dierert. | RSW. | ||
| DIEPEL, HERMANN | Germany, fl.1558-77, MIM | Celestial Globes = KAS (1563), DRE. | Kassel. | Zinner 1. | |
| DIETA | France, PHIM | Barometer = Musée des Arts Décoratifs, Strasbourg. | optician. | Strasbourg. | RSW. |
| DIETHELM, ABBOT | Switzerland, 1549, MIM | Diptych Sundial, 1549 = St. Gallen. | "Abbot Diethelm u St. Gallen, 1549." | St. Gallen Abbey. | RSW. |
| DIETRICH, HANS | Austria, c.1628, MIM | see Johann Dietrich 1. | Zinner 1. | ||
| DIETRICH, JOHANN 1 | Czechoslovakia, 1611, MIM | Bow Compass, 1611 = Polytecnic Institute, Prague. | Cenipo. | Czech. Inv. | |
| DIETRICH, JOHANN 2 | Switzerland, fl.1751-55, MIM | Basle. | Evans 1. | ||
| 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. | |
| DIETSCHI, PANCRATZ | Germany, fl.1584-94, MIM | made an astronomical clock; "Passerace Troche" is alternative name. | Fribourg. | Baillie 1. | |
| DIETTE | France, c.1800, OIM | Telescope = Stuker, 1958. | Lyon. | RSW. | |
| DIEU, FRANCISCUS LE | Holland, b.1700 fl.1726, MIM | also made clocks. | Leiden. | Rooseboom 1. | |
| 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. |
| DIGEON | see Pigeon. | CNAM 2. | |||
| DIGGES, JOHANNES | Holland, c.1650, MIM | worked with William Corderoy and Caspar Kalthoff. | Dordrecht. | Rooseboom 1. | |
| 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. | |
| DIGGES, THOMAS | England, 1531-95, | son of Leonard Digges; designed instruments; author. | Daumas 1; DSB; DNB; A.J. Turner 10. | ||
| DIGUE | France, MIM SIM | Level = Soth. 6/9/39; Surveying Instrument = P.C. | Paris. | RSW. | |
| DIJK, VAN DEN | see Petrus ab Aggere. | Michel 3. | |||
| DIJON | France, c.1781, MIM | won a prize from the Royal Academy of Sciences, 1781; possibly Pigeon. | Daumas 1. | ||
| DIKAUF, JOHANN | Germany?, c.1600, MIM | Diptych Sundial, wood = WUR. | Zinner 1. | ||
| DILLER, BALTHASAR | Germany1780, MIM | Table Sundial, stone, 1780 = STU-8446. | Mergentheim. | Zinner 1. | |
| DILLON | England, c.1742, OIM | T.C.; optician. | in Long Acre, next door to the White Hart, London. | Calvert 2. | |
| 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. |
| DIMMOCK | England, PHIM | Wheel Barometer = X. | Ryde. | Goodison 1. | |
| DINGLEY, JAMES | England, c.1770, | apprenticed to Joseph Edwards; ran away May 11, 1770. | Birmingham. | Bryden 9. | |
| DININCKOFF, BERNARD | England, 1585, MIM | Sundial, stained-glass, 1585 = Gilling Castle, Yorkshire North. | Daniels 1. | ||
| DIONYSODORUS | Greece?, c.100 B.C., | invented the conical sundial. | Amisus. | Cousins. | |
| DIPHOP | Russia, 1775, MIM | Sundial, 1775 = GMELV-IM 3035. | Chenekal 1. | ||
| DIRCK, JOHAN | Germany, 1653, NIM | Compass Rose, 1653 = X. | Hamburg. | Schück 2. | |
| DIRCKXSEN, SYMEN | see Symen Dirckxsen Blocker. | Mörzer Bruyns 2. | |||
| DIRICKSEN, DI | Germany, 1644, NIM | Compass Rose, 1644 = X. | Hamburg. | Schück 2. | |
| DISMORR, J. | England, MIM | Slide Rule = Soth. 10/28/86. | 42 Russell Street, Rotherhithe, London. | RSW. | |
| 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. |
| DIVIS, P. | 1754, PHIM | made a thunder house (Paratonnerre). | ? | ||
| DIVISIOLI, G. AND F. | see Giovannes Franciscus Divizioli. | Forti. | |||
| DIVITIOLO, GIOAN. FRANCESCHO | see Giovannes Franciscus Divizioli. | Brieux 2. | |||
| 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. | |
| DIX, HENRY | England, c.1716, | apprenticed to Mark Rogers in the Joiners' Company on Aug. 7, 1716. | Crawforth 7. | ||
| 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. |
| DIXEY 2 | England, PHIM | Stick Barometer = X. | Norwich. | Goodison 1. | |
| 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. |
| DIXEY 4 | see Willson and Dixey. | RSW. | |||
| 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. |
| 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. |
| 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. |
| 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. |
| 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. |
| 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. |
| 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. |
| 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. | |
| 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. |
| 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. |
| DIXON | England, | instrument maker. | NMM 1. | ||
| DIXON AND PICKERING | PHIM | Stick Barometer = Salem Maritime Nat'l Historic Site, Mass. | RSW. | ||
| DIXON, HUGH | England, c.1785, OIM | patented improvements of optical instruments; made telescopes, microscopes, etc. | St. James's, Clerkenwell, London. | Taylor 2(827); Dewhirst. | |
| DIXON, JOHN | England, c.1822, MIM | 93 Newman Street, London. | O'Mara. | ||
| DIXON, WILLIAM | England, fl.1688-90, MIM | member of the Joiners' Company; turned over William Roloson to Joseph Wells in 1690. | London. | Crawforth 7. | |
| 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. | |
| DO | France, c.1691, | enameler who sold barometers. | rue du Harley, Aux Armes de France, Paris. | Daumas 1. | |
| DO---- | England, NIM | Compass Card = NMM. | Minories, London. | RSW. | |
| 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. |
| 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. |
| 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. | |
| DOBBIE, RICHARD | England, NIM | repaired Bianchetti sextant. | RSW. | ||
| DOBBIE, WILLIAM | Scotland, fl.1821-45, PHIM | made two barometers in 1845. | Falkirk. | Goodison 1. | |
| DOBERSCHITZ, LAUR. | Austria, 1734-99, MIM | Lunar Volvelle = KRM-FS32; Sector = KRM. | cleric. | Kremsmünster. | Zinner 1; RSW. |
| DOBINSON | England, c.1780, PHIM | Angle Barometer = P.-B. 4/28/39. | Wolsingham. | RSW. | |
| DOBLER, EUGENIUS | Austria, fl.1746-62, OIM | Gregorian Telescope = KRM. | Kremsmünster. | Zinner 1. | |
| 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. |
| DOBROMIL | Germany, 18th Century, MIM | Equatorial Sundial = Drecker. | RSW. | ||
| DOBSON 1 | USA, c.1798, MIM | Philadelphia, Pa. | Encyclopedia of Arts and Sciences, Vol. IX, Philadelphia, Pa. 1798. | ||
| DOBSON 2 | England, PHIM | Stick Barometer = X. | Goodison 1. | ||
| DOBSON AND BAKER | England, NIM | Quadrant = P.C. | London. | USNM. | |
| DOBSON, F. | misreading for J. Dobson 1. | RSW. | |||
| 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. |
| DOBSON, J. 1 | England, c.1800, PHIM | Stick Barometers = X, Soth. 10/22/87. | Finsbury Street, Finsbury Square, London. | Goodison 1; RSW. | |
| DOBSON, J. 2 | see John Dobson. | ||||
| DOBSON, JAMES | England, 1794, MIM | Chart Globe, 1794 = X. | based on Halley's observations. | Tooley. | |
| 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. | ||
| 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. |
| DOBSON, LEONARD | England, MIM | apprenticed to Thomas Lefever in the Merchant Taylors' Company; free in the Company. | Crawforth 7. | ||
| 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. |
| DOD, LEBBENS | see Lebbeus Dod. | Smart 1; USNM. | |||
| 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. |
| DODASNE, DOMINIQUE | Belgium, 1697, OIM | Telescope, 1697 = Tomba. | Brussels. | RSW. | |
| DODD | Scotland, PHIM | Wheel Barometer = X; Stick Barometer = Christie-SK 4/17/86. | Andrew Dodd? | Glasgow. | Goodison 1; RSW. |
| 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. | ||
| DODD, S. | USA, 19th Century, MIM SIM | Surveyor's Compass = New Haven Colony Historical Society, Conn. | USNM. | ||
| DOERRETY | England, 1727, PHIM | Barometer, 1727 = D.(1971). | London. | RSW. | |
| Dolberg & Hannay | Rostock, Germany | Octants | see Dolberg, Adolf | Rostock | |
| Dolberg & Petri | Rostock, Germany, c. 1858 | Theolodites | see Dolberg, Adolf | Rostock | |
| 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) |
| DOLL, JOHAN GEORG | Germany, 1739, MIM | Perpetual Calendar, 1739 = OXF. | Evans 1; Esdaille. | ||
| 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. | |||
| DOLLARD | England, PHIM | Pocket Barometer = K. and C. 7/9/75. | misreading for Dollond? | London. | RSW. |
| DOLLON | England, c. 1780, NIM | Sextant = MOS. | probably Dollond. | London. | Novokshanova-Soklovskaja. |
| 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. | |
| 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. |
| 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). | |
| 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. | |||
| 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. | |
| 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. |
| 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. |
| 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. | |
| 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; |
| 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). | ||
| 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. | ||
| DOLLOND, PETER AND GEORGE | England, 1804-20, MIM OIM PHIM | T.C. | St. Paul's Churchyard, London. | Calvert 2; Crawforth 1. | |
| DOLLOND, THOMAS | England, c.1770, NIM | Compass = NMM. | name covered by P. Dollond mark. | RSW; NMM 2. | |
| 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. |
| DOLLORD | England, PHIM | Wheel Barometer = K. and C. 3/19/75. | misprinting for Dollond. | London. | RSW. |
| DOLON | England, c.1780, OIM | Telescope = ADL-M436. | signed "Dolon à Londres"; probably a contemporary forgery. | London. | Engelmann 1; ADL; RSW. |
| DOLOND | England, OIM | Telescope = Maria Mitchell Science Library, Nantucket, Mass. | imitator of Dollond; "Day or Night." | Daumas 1; RSW. | |
| 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. |
| DOMENECUS, M. | Holland, 1770, MIM | Napier's Bones, 1770 = P.C. | sometimes spelled "Dominicus." | Amsterdam. | Wynter and Turner; RSW. |
| DOMET DU MONT | France, fl.1801-23, OIM | amateur maker of achromatic lenses. | Nachet. | ||
| DOMINUIS, C.D. | Holland, 18th Century, PHIM | Barometer = Christie April, 1978. | oak. | The Hague. | Mörzer Bruyns 2 |
| 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. |
| DONALDSON, ALEXANDER | Scotland, fl.1799-1830, MIM | toolmaker; made globes. | Cowgate (1799); South Niddry Street (1818-30); both in Edinburgh. | Bryden 3. | |
| DONALDSON, ALEXANDER, AND SON | Scotland, fl.1831-55, MIM | Alexander and his son John; globe makers and toolmakers. | South Niddry Street, Edinburgh. | Bryden 3. | |
| DONALDSON, JOHN | Scotland, c.1850, MIM | son of Alexander Donaldson. | South Niddry Street, Edinburgh. | Bryden 3. | |
| DONAUER | see Donaverus. | Zinner 1. | |||
| DONAVERUS | painter Hans Danauer; on stone calendar by Andreas Pleninger. | Zinner 1. | |||
| 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. |
| 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. | |
| DONEGAN | variant spelling for "Denegan". | Bedini 1. | |||
| DONEGAN AND CO. | England, PHIM | Stick Barometer = X. | 94 Holborn Hill, London. | Goodison 1. | |
| DONEGAN CO. | England, PHIM | Wheel Barometer = Soth.-PB pre-1980. | London. | RSW. | |
| DONEGAN, F. | England, c.1775, PHIM | Wheel Barometer = Soth. 12/15/72. | Leicester. | RSW. | |
| DONEGAN, J. | England, PHIM | Wheel Barometer = X. | may be Joseph Donegan. | Goodison 1. | |
| DONEGAN, JOSEPH | England, fl.1830-35, PHIM | Wheel Barometer = X. | Lad Lane, Newcastle-under-Lyme. | Taylor 2(1831); Goodison 1. | |
| DONEGAN, L., AND CO. | England, PHIM | Stick Barometer = X. | 3 Long Lane, London. | Goodison 1. | |
| DONEGAN, PETER | England, c.1805, PHIM | probably seller of barometers. | 7 Union Court, Holborn, Lomdon. | Goodison 1. | |
| 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. |
| DONEGANI | England, PHIM | Stick Barometer = X. | Goodison 1. | ||
| DONEGANI, J. | England, PHIM | Wheel Barometer = X. | perhaps Joseph Donegan. | Newcastle-under-Lyme. | Goodison 1. |
| DONEGANI, SANTINO | Italy, 18th Century, PHIM | Barometer = FLO. | Bonelli 1. | ||
| DONEGANY, JOSEPH | Italy; USA, c.1785, PHIM | made barometers and thermometers. | Philadelphia, Pa.; 54 Smith Street, New York, N.Y. | Bedini 1 & 8. | |
| DONEVAN, P. | England, PHIM | Wheel Barometer = X. | Donegan? | London. | Goodison 1. |
| DONI, CARLO | Italy, pre-1761, MIM SIM | Graphometer = FLO-619. | Bonelli 1; Italian Inv. | ||
| DONKIN, B. | England, 1768-1855, MIM | Slide Rule = KEN; Rule = KEN. | London. | KEN. | |
| 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. |
| DONNAGE | France, c.1810, PHIM | Barometer, stick = D.(1996). | Paris. | AH Vol. 23. | |
| DONNIGAN AND CO. | England, c.1850, PHIM | Wheel Barometer = Soth.-Chester 2/2/84. | RSW. | ||
| DONOSTADIUS | see Simon Tunsted. | Michel 3. | |||
| 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. |
| 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. | |
| 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. | |
| DOOLITTLE, JAMES | USA, fl.1802-39, MIM SIM | Surveyor's Compass = Chester Count Historical Society. | son of Enos Doolittle. | Hartford, Conn. | Smart 1. |
| DOPPELMAYR AND PUSCHNER | Germany, 1730, MIM | Celestial Globe, 1730 = DRE. | Nürnberg. | RSW. | |
| 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. |
| DORAL, D. ANTONIO | Spain, c.1850, NIM | Sighting Circle = MAN-I82. | Garcia Franco 2. | ||
| DORING, HANS | Poland, 1463-1470, MIM | Astronomical Clock = Marien Church, Danzig. | Danzig. | Zinner 1. | |
| DORMER, ROBERT | see Dorner. | Michel 3. | |||
| 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. |
| DORNER, I.M. | Germany, MIM | Horizontal Sundial = BUD; Floating Sundial = Drouot 4/7/87. | Zinner 1; Lajos and Jozsef; RSW. | ||
| DORNER, P. AEGIDIUS | Austria, 1652-1727, MIM | may be "P.AE.D.P.K." signed on horizontal sundial at KRM. | Rabenalt. | ||
| DORNER, ROBERT | England; Italy, 1715, MIM | Sundial, slate, 1715 = FLO. | Florence. | Bonelli 1; Michel 3. | |
| DORNSTRAUCH, ADAMAS | Germany?, 1677, MIM | Mining Compass and Sundial, 1677 = P.C. (1677). | it is also marked "M.F. 1677." | RSW. | |
| DORRINGTON | England, PHIM | Wheel Barometer = X. | Truro. | Goodison 1. | |
| 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. | ||
| DORSMAN, SALING | Holland, 1750-1825, NIM | Compass = AMST. | Hoorn. | Mörzer Bruyns 1 & 2. | |
| DOTTI, G. 1 | England, PHIM | Wheel Barometer = X. | Bath. | Goodison 1. | |
| DOTTI, G. 2 | England, c.1820, PHIM | Wheel Barometer = Soth.-Pulborough 3/1/83. | Carlisle. | RSW. | |
| 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. |
| DOU, JAN PIETERSZ. | Holland, fl.1612-20, | invented the Holland circle in 1612. | Amsterdam. | Bryden 9; Zinner 1; Daumas 1. | |
| DOUBLET | England, OIM | Telescope, tripod = Peron et Corsy, Melun 6/10/79. | see T. and H. Doublet. | London. | RSW. |
| DOUBLET, HANNAH | England, c.1830, MIM NIM PHIM | 14 Shepperton Place, New North Street, London. | Taylor 2(1833). | ||
| 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. |
| DOUBLETT, HENRY | England, MIM | may be the H. Doublett in T. and H. Doublett. | London. | Gilliland. | |
| DOUBLETT, THOMAS | England, c.1830, MIM | see T. and H. Doublett. | London. | Gilliland. | |
| DOUBLOTT, HANNAH | see Hannah Doublet. | Gilliland. | |||
| DOUGALL, J. | Scotland, c.1778, MIM | Kirkaldy. | Evans 1; Bryden 3. | ||
| DOUGHTY | England, PHIM | Thermometer = TIM. | on ivory base. | 431 West Strand, London. | RSW. |
| DOUGLAS, HOWARD | England, c.1811, | Sir Howard Douglas; patented a protractor for plane table use in 1811. | Novokshanova-Soklovskaja; J.A. Bennett 2. | ||
| DOUGLAS, J. | England, 1724, | designed a surveying instrument called "The Infallible", in 1724. | Gunther 2. | ||
| DOUGLAS, JAMES | Scotland, fl.1788-93, OIM | grandson and successor to Thomas Short. | Calton Hill Observatory, Edinburg. | Bryden 3. | |
| DOULLON | imitator of Dollond. | Daumas 1. | |||
| DOULLY, JACQUES-ANTOINE CARLIER | 1755, MIM | Horizontal Sundial, slate, 1755 = X. | Namur. | ||
| 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. |
| 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. |
| DOVIKH, FEDOR | see Fedor Dowich. | Chenakal 1. | |||
| DOWICH, FEDOR | Russia, fl.1788-95, MIM SIM | Sundials = MOS (1795), MOS (2); Circumferentor, 1788 = MOS. | Tula. | Chenakal 1; Novokshanova-Soklovskaja. | |
| DOWLER, D.T. | England, NIM | Sextant = D. | RSW. | ||
| DOWLING | England, c.1826, MIM | tried to punch graduations and numerals on rules in one operation; probably William Dowling; which see. | Delehar 9. | ||
| DOWLING, MICHAEL | USA, 1790-1853, MIM SIM | Surveyor's Compass = P.C. | 158 Market Street, Newark, New Jersey. | Smart 1. | |
| 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. | |
| 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. |
| DOWNIE, J. | Germany, c.1780, NIM | Octant = FRK. | Hamburg. | Frank. | |
| 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. |
| DOWNING | England, | see Kull and Downing. | RSW. | ||
| DOWNING, SAMUEL | England, c.1829, MIM | rule maker; devised punch to mark gradations and numbers. | Delehar 2. | ||
| DOYLE, WILLIAM | England, 1815, MIM | Stained-glass Sundial, 1815 = Blackheath, London. | Daniels 1. | ||
| DRAGSTEDT, GUSTAF | Sweden?, c.1775, MIM | Pipping 1. | |||
| DRAKE, O.P. | USA, fl.1846-55, MIM NIM PHIM | Boston, Mass. | USNM. | ||
| 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. | |
| DRANCHIJ, FILIPPO AND DE HAVERI | Italy, PHIM | Pneumatic Machine = FLO-831. | see Bianchi. | Bonelli 1. | |
| 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. | |
| DRAPER, E.A. | USA, | see Edmund Draper. | Miller. | ||
| 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. |
| DRAPER, EDWARD | USA, fl.1838-53, MIM NIM OIM PHIM SIM | possibly Edmund Draper. | 25 Pear Street, Philadelphia, Pa. | USNM. | |
| 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. | |
| DRAPER, MURRAY AND FAIRMAN | USA, pre-1827, MIM | Gideon Fairman. | Philadelphia, Pa. | Bedini 1. | |
| DRAYCOTT, RICHARD | England, c.1727, MIM | apprenticed to John Gilbert 1 of the Grocers' Company on Sept. 1, 1727. | J. Brown 1. | ||
| 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. |
| DRECHSEL, CHRISTOPH | Germany, 1611, MIM | Equatorial Sundial, 1611 = DRE. | surely Christoph Trechsler. | Dresden. | Lübke. |
| DRECHSLER | Germany, c.1850, MIM | Celestial Globe = DRE. | date on label wrong for Trechsler. | Dresden. | RSW. |
| DRECHSLER, E. | Austria, PHIM | Stick Barometer = D.(1975). | Vienna. | RSW. | |
| 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. |
| DREEVEN, J.J. VAN | Holland, OIM | Microscope, base only = UTR. | Nijmegen. | Van Cittert 3. | |
| DRESCHER, LOUIS | USA, c.1850, MIM NIM PHIM | New York. | USNM. | ||
| 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. |
| DREUX, S.T. | France, c.1585, | see Thibault. | Higgens 3. | ||
| DREW, HENRY | Scotland, fl.1730-38, MIM | clockmaker. | Glasgow. | Bryden 3. | |
| DRIELENBURG, JACOB | Holland, 1656, PHIM | Coin Balance, box, 1656 = Soth. 4/18/88. | many weights stamped "I.D." (2). | Amsterdam. | RSW. |
| DRIESSENS, P. | France, 1828, MIM | Tellurian, 1828 = Yale U., New Haven, Conn. | Paris? | Yonge. | |
| 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. |
| 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. | |
| 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. | |
| 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. |
| DRIVER | England, PHIM | balance maker; apprenticed to Mr. Vandome; see Bastick and Driver. | Calvert 2. | ||
| DROOGTE, GROOTE | Holland, c.1830, PHIM | Stick Barometer = Soth. 12/17/87. | Amsterdam. | RSW. | |
| DROSCHEL | see Troschel; another variant is Droschell. | Gouk 1. | |||
| DRUNCKER, H. | Germany?, 1611, MIM | Diptych Sundial, oval, ivory, 1611 = P.C. | RSW. | ||
| 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. | |
| 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. | ||
| DRURY, STEPHEN | USA, fl.1788-1809, MIM | also made clocks; took David Moritz as an apprentice, c.1802. | Huntingdon County, Pa. | James W. Gibbs. | |
| 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. | ||
| 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. | |
| 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. | ||
| 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. |
| DRYER, C. | USA, c.1850, PHIM | made thermometers and clocks. | Louisville, Ky. | USNM. | |
| DU BOIS, A. | Belgium, NIM | T.C. in sextant box, OMM. | Antwerp. | RSW. | |
| DU BUC | see Buc, du. | ||||
| 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. |
| 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. |
| DUBAS | France, c.1850, NIM | Octant, night = NMM-S.84; Octant = PMM; Sextant = D.(1985). | "breveté." | Nantes. | Coffeen 11; RSW. |
| DUBINI 1 | England, PHIM | Wheel Barometer = X. | 8 North Place, Brunswick Place (London). | Goodison 1. | |
| DUBINI 2 | England, PHIM | Wheel Barometer = X. | 25 Little College Street, West Camdentown (London). | Goodison 1. | |
| DUBINI, L. | England, c.1815, PHIM | Wheel Barometer = Soth. 12/17/87. | Cross Street, Hatton Garden, London. | RSW. | |
| 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. |
| DUBOIA | France, MIM | Butterfield-type Sundial = OXF. | possibly owner, engraving is different; may be misreading for Dubois. | Paris. | RSW; Soth. 2/28/80. |
| DUBOIN | France, 18th Century, | see Dubois. | Paris. | Nachet. | |
| 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. | |
| DUBOIS, FREDERIC WILLIAM | Switzerland, 1811-69, MIM | Frédéric William Dubois; made several astronomical clocks. | Le Locle. | Baillie 1. | |
| 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. | ||
| 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. |
| DUBOSCQ, L.J. | France, c.1850, OIM | perhaps related to Jules Duboscq. | 21 Rue de l'Odéon, Paris. | USNM. | |
| 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. | |
| 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. |
| DUBOSE | France, MIM SIM | Graphometer = P.C. | RSW. | ||
| DUBOSQ, G. | France, c.1831, PHIM | Polaiscope = FRK-M328. | polariscope; possibly J. Dubosq. | Paris. | Frank; G.L'E. Turner 24. |
| DUBOSQ, PROSPER EDMOND | France, MIM SIM | Surveying Square = P.C. | RSW. | ||
| 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. |
| DUBY, C. | France, 1724, MIM | Horizontal Sundial, round, lead, 1724 = Schuhmann Sale. | Estavage. | RSW. | |
| DUCHAFFAT, A. | see Chaffat, a. du. | RSW. | |||
| DUCHASSAR, A. | see Chaffat, a. du. | RSW. | |||
| DUCHEMIN, EMILE | France, 19th Century, NIM | Compass Rose = AMST. | Paris. | Mörzer Bruyns. | |
| DUCHER | alternative spelling is Tucher. | ||||
| DUCHER, CHRISTOPH | Germany, 1582-1632, MIM | member of the compass makers' guild; became a pedlar. | Nürnberg. | Gouk 1. | |
| DUCHER, H. | Germany, MIM | Polyhedral Sundial, octagonal, compass on top = DRE. | RSW. | ||
| 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. | |
| 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. | |
| 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. |
| 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. |
| DUCHER, HANS CHRISTOPH | Germany, 1584-post-1656, MIM | member of Compassmakers' Guild; became a city wait. | Nürnberg. | Gouk 1. | |
| DUCHER, JORG | Germany, c.1490, MIM | became Master compass maker in 1490; probably made ivory diptych sundials. | Nürnberg. | Zinner 1; Gouk 1. | |
| 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. |
| 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. |
| DUCHER, KATHARINA | Germany, fl.1530, MIM | compass maker. | Nürnberg. | Gouk 1. | |
| DUCHER, THEODOR | Germany, c.1600, MIM | Diptych Sundial, 1600 = X. | compass maker. | Nürnberg. | Gouk 1. |
| 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. |
| DUCHER, THOMAS 2 | Germany, 1683, MIM | Diptych Sundial, ivory, 1683 = NOR. | Nürnberg. | RSW. | |
| 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. |
| DUCOMMUN-DIT-BOUDRY | see François Ducommun. | ||||
| DUCOMMUN-DIT-TINNON, DANIEL | France, 1728, | wrote of making sundials, 1728. | La Chaux-de-Fonds. | RSW; DRE Notes, 1973. | |
| DUDIER, HANS | Germany, 1578, MIM | Diptych Sundial, ivory, 1578 = BASH. | the cover is 14th century work. | Augsburg. | Tardy. |
| DUDLEY | England, PHIM | Barometer = D.(1970). | RSW. | ||
| DUDLEY, JOHN | England, c.1731, | apprenticed to John Farmer 2 in the Joiners' Company, Dec. 14, 1731. | Crawforth 7. | ||
| 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. | |
| DUDMAN, T. | England, NIM | Sextant, ebony and ivory = Star of India Maritime Museum, San Diego, Cal. | London. | RSW. | |
| DUDUICT, JACQUES | France, fl.1599-1645, | author; invented a sciatere (quadrant) to lay out sundials. | Blois. | Baillie 1; Zeitlin and Ver Brugge 219. | |
| DUFFEY, JAMES P. | USA, fl.1844-57, MIM NIM OIM PHIM SIM | also made chemical and engineering instruments. | Philadelphia, Pa. | USNM. | |
| DUFOUR | France, MIM | Terrestrial Globe = P. and S. 11/21/1894. | Paris. | Evans 1; RSW. | |
| 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. | |
| DUGGLEBY, W. | England, c.1850, PHIM | barometer maker. | Kirkby Moorside. | Loomes 1. | |
| DUGLAS, JACQUES | France, NIM | Compass Rose = D.(1972). | Honfleur. | Brieux 3. | |
| DUGUE | France, c.1620, MIM | Sundial in watch = Ilbert Coll. | Dugué; Duguet? | Paris. | Baillie 1. |
| 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. |
| DUHAMEL 2 | Germany, MIM | De Roias Sundial = DEU-1695. | DuHamel. | Munich. | Price 2; RSW. |
| 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. |
| DUHIM | England, c.1832-33, | see Dubini. | London. | Goodison 1. | |
| DUHRE, GABRIEL OSTEN | Sweden, fl.1763-81, MIM | apprenticed to C.H. Westberg. | Stockholm. | Pipping 1. | |
| DUJARDIN, FELIX | France, 1801-68, | designed a microscope. | Nachet. | ||
| DULAC | France, c.1607, | invented a protractor with sundial and two movable arms; made by Vernie. | Hamilton 2; Whipple 1. | ||
| DULBINI | England, c.1836, | see Dubini. | London. | Goodison 1. | |
| DULNIG, J. | Germany, c.1820, MIM | Astrolabe = Bleiberg. | Bleiberg. | Kirnbauer 2. | |
| DULOULIN | France, 1845, MIM | Analemmatic Sundial, glass and metal, case, 1845 = Cincinnati Museum of Natural History. | "Cadran solaire analemmatique", 15"X12". | RSW. | |
| DULTON AND SMITH | England, 1828, PHIM | Set of Inspector's Standard Weights and Measures, 1828 = Phillips 10/26/83. | London. | RSW. | |
| DUMAYNE CADET | Switzerland, NIM | Mariner's Compass = Koller May, 1966. | Lausanne. | RSW. | |
| DUMONT D'URVILLE | France, c.1830, NIM | Artificial Horizon = PMM. | RSW. | ||
| 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. |
| 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. |
| 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. | |
| 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. | |
| DUNBARR | USA, 1795, MIM | Philadelphia, Pa. or Maryland or South Carolina. | Prime; USNM. | ||
| DUNCAN 1 | Scotland, | see William Duncan. | |||
| DUNCAN 2 | England, c.1781, MIM | Zakhorloge = X. | might be John Duncan 1. | London. | Mörzer Bruyns; Clarke et al. |
| DUNCAN, JOHN 1 | England, fl.1828-34, OIM | 4 King David Lane, London. | Taylor 2(1835); O'Mara. | ||
| DUNCAN, JOHN 2 | Scotland, pre-1856, OIM | Microscope = D.(1981). | Aberdeen. | Moskowitz 122. | |
| 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. |
| DUNDAS | see Melville, Dundas and Whitson. | ||||
| DUNGAN, L. | England, PHIM | Wheel Barometer = Soth.-S 4/24/87. | Newcastle. | RSW. | |
| DUNKEN, THOMAS | England, c.1830, MIM | apprenticed to William Gilbert of the Grocers' Company, March 4, 1830. | J. Brown 1. | ||
| DUNN 1 | England, pre-1794, NIM | Sextant, rosewood = Leigh and Soth. 4/10/1794-65. | possibly Samuel Dunn. | RSW. | |
| DUNN 2 | Scotland, PHIM | Marine Barometer = X; Theodolite = FRK = RSM. | may be John 2 or Thomas Dunn. | Edinburgh. | Goodison 1; Clarke et al. |
| 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. | ||
| 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. |
| DUNN, MICHAEL | 1813, MIM | Evans 1. | |||
| 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. | |
| 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. |
| DUNNETT | see Jack Dunning. | A.J. Turner 10. | |||
| 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. | |
| 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. |
| DUNSCOMBE AND HUSBANDS | England, pre-1876, MIM OIM PHIM SIM | M.W. Dunscombe and H. Husbands. | Bristol. | Bryden 9. | |
| DUNSCOMBE, M.W. | England, c.1855, MIM OIM PHIM SIM | apprenticed to John Braham in 1855; succeeded him. | Bristol. | Bryden 9. | |
| DUNSFORD, JAMES N. | England, c.1830, OIM | Fore Street, Devonport. | Taylor 2(1836). | ||
| DUNSTON, PAUL | England, c. 1695, MIM | apprenticed to Simon Chapman of the Clockmakers' Company on June 24, 1687 for eight years. | J. Brown 3. | ||
| 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. |
| DUPRA | France, c.1770, PHIM | worked 18 years for the Abbé Nollet. | Paris. | Daumas 1. | |
| DUPRESSOIR, C. | France, c.1850, MIM SIM | Mining Compass, box = P.C.(1987). | succeeded Baraban. | rue St. Honoré, 175, Paris. | RSW. |
| DUPRESSOIR, J.P.H. | France, MIM | Planetarium on clock = MLL. | Paris. | RSW. | |
| DUPUIS, JEAN | France, 17th Century, MIM SIM | Theodolite, wood = ROU-207; Theodolite, elaborate = CNAM; Astronomical Clock = ROU-260. | Paris. | Michel 3; Nachet. | |
| DUQUET | France, c.1733, | devised a water clock. | Baillie 1. | ||
| 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. | |
| DUREN AND ALDER | USA, | T.C.; dealers in nautical instruments. | 20 Burling Slip, New York, N.Y. | RSW. | |
| DUREN AND CASTIGAN | USA, NIM | Sextants = Mystic Seaport, Conn.(2). | New York, N.Y. | RSW. | |
| DUREN AND MEDINGER | USA, c.1850, | T.C.; dealers in chronometers. | 20 Burling Slip, New York, N.Y. | RSW. | |
| 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. |
| 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. |
| 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. |
| DURHAM, W. | see William Derham. | Aked. | |||
| DURINGER | see Döring. | Evans 1. | |||
| DURKEE, C.D., AND CO. | USA, NIM | Boxed Dry Compass = MYS. | New York, N.Y. | RSW. | |
| DURN | see Duru. | Evans 1. | |||
| DUROD, CLAUDE | see Claude Dunod. | Smith. | |||
| DURONI AND CO. | Italy, MIM | Set of Drawing Instruments = Christie-SK 12/1/83. | German work, so Duroni and Co. probably dealers. | Milan. | RSW. |
| DURRAN, JAMES HOPKINS | England, fl.1832-54, PHIM | advertised thermometers and barometers. | Banbury. | Beeson. | |
| 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. |
| 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. | |
| DURU, L., ET FILS | France, OIM | Telescopic Level = Melun 4/24/83. | Bordeaux. | RSW. | |
| DUTCH, HENRY D. | USA, fl.1841-42, MIM NIM PHIM | Boston, Mass. | USNM. | ||
| 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. |
| 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. |
| DUTTON, HENRY | England, c.1666, | misreading for Henry Sutton? | Evans 1. | ||
| DUTTON, MATTHEW | England, fl.1779-1800, MIM | free of the Clockmakers' Company in 1779; Master of the Company, 1800. | London. | Robischon. | |
| DUTTON, RICHARD | England, fl.1663-82, MIM | probably a sundial maker. | Sign of the Dial, Holborn, London. | Taylor 1(296); Evans 1. | |
| DUVAHN, CARL | Sweden; Denmark; Sweden, fl.1845-86, MIM | Lund (1845-49); Copenhagen (1849-); Lund (-1886). | Pipping 1. | ||
| 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. |
| DUVAL, PIERRE | France, 1618-83, | wrote treatise on the sphere. | Michel 3. | ||
| DUYSTER, J.J. | Holland, 1761-1813, MIM | Rotterdam (c.1806). | Daumas 1. | ||
| DWELLE, E. | USA, c.1832, MIM OIM | USNM. | |||
| DWYER, R.O. | Canada, c.1790, NIM | Sextant = Royal Ontario Museum. | St. Johns, Newfoundland. | USNM. | |
| 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. | |
| DYER, SAMUEL | England, c.1696, MIM | apprenticed to Walter Henshaw of the Clockmakers' Company on March 3, 1696. | J. Brown 3. | ||
| 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. |
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