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 R yielded 666 entries. Displaying entries 1–666.| Signature | Maker Info | Instruments | Comments | Location | References | Suggest Correction |
| R. 1 | Holland, 1602, NIM | Mariner's Astrolabe, 1602 (NMM-56) = AMST. | NMM is the Census of Mariner's Astrolabes. | Mörzer Bruyns 3; A. Stimson 3; RSW. | suggest correction | |
| R. 2 | MIM | Barrel Measure, wood and ivory, 64 inches = Salem Maritime Nat'l Site. | rule now in two pieces | RSW. | suggest correction | |
| R.C. | England, 18th Century, MIM | Dividers, iron = Bovet Coll. = NMM. | RSW. | suggest correction | ||
| R.D. | Germany, 1838, MIM | Evans 1. | suggest correction | |||
| R.D.H.A.E. | Germany?, 1765, MIM | Table Sundial, stone, 1765 = NUR. | Zinner 1. | suggest correction | ||
| R.E. 1 | Germany, MIM | Astrolabe = DEU. | mastermark in shield. | D. Bachman 1. | suggest correction | |
| R.E. 2 | England, fl.1770-1805, MIM | Sundials, vertical = the Church and a house on Thomas Street North in Monkwearmouth. | schoolmaster; parish clerk. | Boldon. | Gatty. | suggest correction |
| R.F. 1 | Germany, 1590, | marked on a stone perpetual calendar by M. Joh. Helsbeccius in the HAK museum. | RSW. | suggest correction | ||
| R.F. 2 | France, c.1620, MIM | Astronomical Compendium = Evans Coll. = OXF; Diptych Sundial, octagonal, ivory = Soth. 7/7/78 = Soth. 12/15/55-160. | initials and punchmark on base of diptych, punchmark is an inverted V with a little circle above it; both instruments have paper or leather lining on 1b and 2a; Soth. has a blue lining on 1b with a list of latitudes in gold, and with a slide to set string at proper latitude. | Dieppe ? | Evans 1; RSW. | suggest correction |
| R.F. 3 | England, 1630, | initials marked on a quadrant by John Chatfield, 1630. | RSW. | suggest correction | ||
| R.F. 4 | France, 1633, MIM | Diptych Sundial, ivory, 1633 = Vivielle Coll. | has a nocturnal on the cover; possibly R.F. 2. | Dieppe ? | Madex; RSW. | suggest correction |
| R.G. 1 | marked on the compass cards in Elias Allen's sundials, surely Ralph Greatorix; marked on paper compass card of horizontal sundial, WHI-1191, probably Ralph Greatorex; other marks on WHI sundial are "H." (4) and "C.P." (2). | Bryden 16; RSW. | suggest correction | |||
| R.G. 2 | MIM | Sundial in ivory sphere = Soth. 3/11/63. | RSW. | suggest correction | ||
| R.H. | 1612, | instrument maker ? | Evans 1. | suggest correction | ||
| R.K. | Denmark, | marked on 1772 compass card signed "Rasmus Koch." | Copenhagen. | RSW. | suggest correction | |
| R.L. | see Richard LeKeux. | Brewington 1. | suggest correction | |||
| R.L.S.P., PRES. | see Pres. R.L.S.P. | RSW. | suggest correction | |||
| R.M. 1 | England, 1631, MIM | Astrolabe, 1631 = BM. | ICA-312. | another astrolabe at KEN, 1631, signed "Richard Melbourne", which see. | Price 1 & 3; Ward 4; ICA 2; Taylor 1(167); Clay and Court; Evans 1. | suggest correction |
| R.M. 2 | England, 18th Century, MIM | Garden Sundial = Nat'l Museum of Wales. | initials added later. | Wales. | Peate. | suggest correction |
| R.P. | 1708, MIM | Horary Quadrant, crude, 1708 = OXF. | RSW. | suggest correction | ||
| R.S. 1 | England, fl.1631-34, MIM | Astrolabe Quadrant, 1631 = Koller 11/17/75; Quadrants = BM (1632), OXF (1634). | Evans 1; Michel 3; Dewhirst; Taylor 1(174); Clay and Court; Price 3; Ward 4. | suggest correction | ||
| R.S. 2 | England, 1654, MIM | Table Sundial, lead, 1654 = London Museum. | RSW. | suggest correction | ||
| R.S. 3 | Germany?, 18th Century, MIM | Diptych Sundials, wood = NOR (2), UTR | marked "Autor"; the dials in the NOR shows a frock coated figure and a hand; the UTR dial was exhibited in the Delft sundial exhibition of 1984. | de Rijk; RSW. | suggest correction | |
| R.S. 4 | Germany, 18th Century, MIM | Miner's Compass = Koller 11/17/75. | RSW. | suggest correction | ||
| R.S. 5 | Robert Smith ?; Richard Saunders ? or the father of Henry Sutton ? | Taylor 1(174); RSW. | suggest correction | |||
| R.T. | England?, 1531, MIM | Pair of Dividers, 1531 = Soth. 4/18/88. | RSW. | suggest correction | ||
| R.V.K. | owner!; the initials are on a circumferentor by D. Metz at the TIM, 1987. | RSW. | suggest correction | |||
| R.W. 1 | England, 1617, MIM | Sundial, sandstone, 1617 = The Washington House, Little Brington, Northhampton. | might be Robert Washington. | Earle. | suggest correction | |
| R.W. 2 | MIM | Garden Sundial = ADL-W150. | ADL; RSW. | suggest correction | ||
| R.W. 3 | England, c.1840, MIM | punched in middle of ivory scale on unsigned octant at PMS. | RSW. | suggest correction | ||
| R.Z. | Germany, c.1581, | marked on 1b of ADL-M258, c.1581. | Engelmann 1; ADL; RSW. | suggest correction | ||
| RAALINI, C. | England, c.1825, PHIM | Wheel Barometers = Jared Coffin House, Nantucket, Mass., X (2), Soth.-PB pre 1980 and Soth. 12/14/89. | Preston. | Goodison 1; RSW. | suggest correction | |
| RABALIO, PETER | Italy; England, fl.1760-89 d.1791, PHIM | Wheel Barometer = X; Barometer, multiple tube = X; Stick Barometer = X; Barometer = Soth. 3/7/75. | the wheel barometer is signed "P. Rabalio Birmingham"; most are signed simply "Rabalio"; also a thermometer maker. | at the Sign of the Barometer, 18 Edgbaston Street, Birmingham; at the Sign of the Dolphin, Coventry; at the Sign of the Golden Lion, in Hamston Gate, Leicester; at Mrs. Dowee's in High Street, near the College-Gate, Worcester; all before 1789. | Goodison 1; Bryden 9; RSW. | suggest correction |
| RABELON, ISAAC | England, 1719, PHIM | Barometer, 1719 = KEN. | Daumas 1. | suggest correction | ||
| RABONE | England, c.1900, MIM | Folding Rule = P.C. | marked "Warranted Boxwood"; "made in England." | RSW. | suggest correction | |
| RABONE AND MASON | England, fl.1834-37, PHIM | barometer makers; firm later became known as "John Rabone." | 61 St. Pauls Square, Birmingham. | Taylor 2(1972); Goodison 1. | suggest correction | |
| RABONE, ELIZABETH | England, c.1808, MIM | rule maker. | Water Street, Birmingham. | Bryden 9. | suggest correction | |
| RABONE, EPHRAIM | England, c.1818, MIM | rule maker. | Water Street, Birmingham. | Bryden 9. | suggest correction | |
| RABONE, JOHN | England, fl.1829-60, PHIM | Double Folding Rule, wood = La Rochelle 7/16/83. | barometer maker; probably a partner in Rabone and Mason; worked alone in 1829 and 1839-58; took his son into the firm, 1858-60. | Ludgate Hill (1829); 61 St. Pauls Square (1839-60); both in Birmingham. | Goodison 1; Bryden 9; Taylor 2(1972); RSW. | suggest correction |
| RABONE, JOHN, AND SON | England, fl.1858-60, MIM | the Rabone firm was established in 1784; makers of boxwood and ivory rules; trade catalogue at OXF. | Hockley Abbey Works, Birmingham. | RSW. | suggest correction | |
| RABONE, JOHN, AND SONS | England, c.1860, MIM | Bubble Level = P.C.; Folding Rule, wood = DRE; Rope Gauge, boxwood and brass = Soth.-WS 12/13/83; | some of the instruments are signed "J. Rabone and Sons." | Birmingham. | Taylor 2(1942); G.L'E. Turner 24; RSW. | suggest correction |
| RABONE, T. | England, PHIM | Stick Barometers = X, Soth.-S 1/10/90. | London. | Goodison 1; RSW. | suggest correction | |
| RABONE, THOMAS | England, fl.1829-60, MIM PHIM | barometer maker. | 8 Court Water Street (1824); 12 Court, Broad Street (1835); Hockley Hill (1847); 172 Hockley Hill (1849-54); Frederick Street; 63 Great Hampton Street (1858); 61 Great Hampton Street (1860); all in Birmingham. | Taylor 2(1972); Goodison 1. | suggest correction | |
| RABUS, JACOB | Germany, c.1556, MIM | Horary Quadrants = NUR (1556), STU. | the quadrant in the NUR is dedicated to Ottheinrich von de Pfalz, it is marked on the back "OHPC"; the quadrant in the STU is dedicated to Herzog Wolfgang von Bayern. | Memmingen. | Zinner 1. | suggest correction |
| RABY, EDWARD | England, c.1834, OIM | Great Brook Street, Birmingham. | Taylor 2(1976). | suggest correction | ||
| RAD, CHRISTOPHER | Germany, c.1683, MIM | Orrery, 1683, was owned by Chr. Treffler in 1683, now lost. Celestial Globe = HAK. | goldsmith; the globe at HAK, 54 cm. in diameter, is signed "RAD" at the south pole. | Augsburg. | Zinner 1; Bobinger 3; Stevenson. | suggest correction |
| RADEMACHER | England, PHIM | Stick Barometer = X. | Eccles. | Goodison 1. | suggest correction | |
| RADFORD | England, OIM | T.C. | over against the East End of the New Church in the Strand, London. | Crawforth 1. | suggest correction | |
| RADFORD, JOHN | England, fl.1668-95, OIM | optician. | at the Golden Spectacles without Temple Bar (1668); St. Clement Danes (1695); both in London. | Clay and Court; Daumas 1. | suggest correction | |
| RADSMA, TJEERD JACOBS | Holland, c.1686-1790, MIM | he made eight clocks with planetariums. | Harlingen. | Rooseboom 1. | suggest correction | |
| RADULF | Belgium, c.1025, MIM | made a different form of astrolabe c.1025; Magister of Liège. | Liège. | Zinner 1. | suggest correction | |
| RAETOR, JOHN | England, c.1801, MIM OIM PHIM | 49 Cheapside, Deritend, Birmingham. | Bryden 9. | suggest correction | ||
| RAFFLE | France, MIM | Protractor = P.C.(1968). | Rafflé. | Paris. | RSW. | suggest correction |
| RAGGETT, JAMES | England, c.1830, OIM | 21 London Street, Reading. | Taylor 2(1977). | suggest correction | ||
| RAHNE, PETER | Germany, c.1740, MIM | Sectors = STU, THO. | "Peter Rahne Fecit: zu Berlin." | Berlin. | Hambly 2; RSW. | suggest correction |
| RAHTJEN, G. | Germany, NIM | Octant, ebony and ivory = P.C.(1979). | Bremen. | RSW. | suggest correction | |
| RAIDEL, HANS FRIEDRICH | Germany, c.1627, MIM SIM | Surveying Instrument, incomplete, 1627 = AUG; Horary Quadrant, 1627 = AUG. | Augsburg. | Zinner 1; Price 2; RSW. | suggest correction | |
| RAILLE, H. | see Evin and H. Raille. | USNM. | suggest correction | |||
| RAIMONDUS, PETRUS | Italy, 1375, MIM | Astrolabe, 1375 = A.C. Baldwin Coll. = BOS. | Cumae. | Exhibition of 1876, London; Thorndike; RSW. | suggest correction | |
| RAINER FRISIUS | see Gemma Frisius. | Zinner 1. | suggest correction | |||
| RAINGO FRERES | France, c.1820, MIM | Orrery Clock = D.(1976). | Raingo Frères; clock makers. | Paris. | RSW. | suggest correction |
| RAINGO, Z. | Belgium; France, c.1824, MIM | Orrery Clocks = TIM (1987)(2); Royal Collction, Madrid, Windsor Castle (1824), P.C., Sloan Museum, BMR, Soth. 1/16/62 and 7/12/63, P-B 10/12/64; Planetarium = CNAM. | Tournai; Paris. | Pippa; Horological Journal, 1960; RSW; etc. | suggest correction | |
| RAITTENAU, AEGIDIUS EBERHARD VON | Germany, 1605-75, MIM | Celestial Globe, 1546 = Harburg Sammlung Hohenlohe; Sundial, triangular, 1666 = KRE; Azimuth Sundial, 1668 = KRE; Logarithmic Machine, 1670 = KRE. | made other instruments, dated between 1645 and 1669, whose location is not known; author; Benedictine monk; "Mechaniker, Mathematiker und Architekt"; the globe is signed "Rabus 1546." | Kremsmünster. | Zinner 1. | suggest correction |
| RAMAGE | Scotland, PHIM | Wheel Barometer = X; Barometer = D.(1968). | probably John Ramage 1 or 2. | Aberdeen. | Goodison 1; RSW. | suggest correction |
| RAMAGE AND CO. | Scotland, fl.1837-38, OIM PHIM | might have made barometers; see Smith and Ramage; see John Ramage 1 & 2. | 41 St. Nicholas Street (1837); 6 St. Nicholas Lane (1838); both in Aberdeen. | Goodison 1. | suggest correction | |
| RAMAGE, CHARLES | Scotland, fl.1845-60, NIM OIM PHIM | partner in Smith and Ramage; see John Ramage 1 and 2; see Ramage and Co. | 45 Regents Quay, Aberdeen. | Goodison 1. | suggest correction | |
| RAMAGE, JOHN 1 | Scotland, fl.1806-35, OIM PHIM | Telescope, single draw = Christie-SK 11/27/86. | made large teescopes; probably was also a barometer maker. | 85 Broad Street (1824-29); 39 Union Street (1831-35); both in Aberdeen. | Taylor 2(1202); Goodison 1; RSW. | suggest correction |
| RAMAGE, JOHN 2 | Scotland, fl.1835-36, OIM PHIM | might have made barometers; possibly the son of John Ramage 1; see Ramage and Co.; see Smith and Ramage. | 39 Union Street (1835); 104 Union Street (1836); both in Aberdeen. | Goodison 1. | suggest correction | |
| RAMAS, P. | England, PHIM | Stick Barometer = X. | probably P. Ramos, which see. | Goodison 1. | suggest correction | |
| RAMIRES, FRANCISCO | Spain?, 1853, MIM | Universal Equatorial Sundial, 1853 = Soth. 5/29/61. | RSW. | suggest correction | ||
| RAMME, EDWARD | England, c.1634, MIM | apprenticed to John Blighton 1 in the Grocers' Company, June 24, 1626; free in the Company Aug. 5, 1634. | London. | J. Brown 1. | suggest correction | |
| RAMMINGER, JAKOB | Germany, 1594, MIM | Miner's Compass, 1594 = BM; Pedometer = Soth.-PB pre-1980. | the compass is marked "alias Scriba"; the pedometer is signed "Jac. Ram. D. Scriba"; Ramminger invented this type of pedometer. | Stuttgart. | Zinner 1; Price 3; Ward 4; RSW. | suggest correction |
| RAMOS, P. | England, PHIM | Wheel Barometer = X. | see P. Ramas. | 281 Holborn, London. | Goodison 1; RSW. | suggest correction |
| RAMPAART, VAN | see Petrus ab Aggere. | Zinner 1; Michel 3. | suggest correction | |||
| RAMPOLDI AND CO. | England, PHIM | Wheel Barometers = X, Soth. 4/28/88. | Huntingdon. | Goodison 1; RSW. | suggest correction | |
| RAMPOLDI, J. | England, fl.1851-53, PHIM | barometer maker. | 22 Grey Street, Newcastle-upon-Tyne. | Goodison 1. | suggest correction | |
| RAMSBECK | Austria, c.1772, MIM OIM | see Schreibelmayer und Ramsbeck. | Vienna. | Daumas 1. | suggest correction | |
| RAMSDEN, JESSE | England, 1735-1800, MIM NIM OIM PHIM SIM | one of the most famous mechanics of his time; developed one of the first dividing engines ever built; made many of the most important astronomical and surveying instruments used in England and on the continent; by 1789 he had made over 1000 sextants; his instruments are to be found in many of the principal museums. | apprenticed to J. Burton, MIM, in 1758; started business in 1762; married Sarah Dollond; invented the opthalmometer; made improvements in electrostatic machines & precision balances; some of the optics for his instruments were made by his brothers-in-law Peter and John Dollond 2; made F.R.S. in 1768. | 199 Piccadilly, opposite Sackville Street, London. | Taylor 2(526); DNB; DSB; Maddison 1; Bryden 11; E. Hall; RSW; Goodison 1; USNM; J.A. Bennett 2; A.J. Turner 10; Coffeen 27. | suggest correction |
| RAMSEY, HENRY T. | England, NIM | Octant, case = HAM. | Lowgate, Hull. | RSW. | suggest correction | |
| RAND, J. | England, c.1799, OIM | patented a micrometrical stadimeter as a 'military and naval telescope'; author. | London. | Moskowitz 104; Taylor 2(1029); Dewhirst. | suggest correction | |
| RANDALL, JOHN | England, fl.1689-1707, MIM | apprenticed to William Howe in the Grocer' Company on Sept. 1671; free of the Company on Dec. 2, 1689; took apprentices. | Great Minories, London (1693). | J. Brown 1. | suggest correction | |
| RANDALL, RICHARD | England, c.1799, | apprenticed to George Mills in the Joiners' Company, Feb. 5, 1799. | Crawforth 7. | suggest correction | ||
| RANDALL, WILLIAM | England, c.1700, | apprenticed to his father, John Randall, in the Grocers' Company on Sept. 10, 1700. | J. Brown 1. | suggest correction | ||
| RANDOLL | see Randall. | J. Brown 1. | suggest correction | |||
| RANDOLPH, T.F. | USA, c.1860, MIM SIM | Surveying Compass, case = Chillicothe Museum, Ohio. | 67 West 6th Street, Cincinnati, Ohio. | USNM. | suggest correction | |
| RANDOLPH, T.F., AND BRO. | USA, c.1867, MIM PHIM SIM | Surveying Compass = Transylvania College. | 67 West 6th Street, Cincinnati, Ohio. | USNM. | suggest correction | |
| RANNOY, P. GELASIUS VISCHER | Germany, 1712, MIM | Sundial, stone, 1712 = DEU. | Price 2. | suggest correction | ||
| RANSLEY, W. | England, MIM NIM | Set of nine Rules, ivory = Phillips 4/20/83; Parallel Rules, wood = NMM. | 4 Westminster Bridge Road; Stansgate; both in London. | NMM 2; Wynter and Turner; RSW. | suggest correction | |
| RAPKIN | England, | see Pastorelli and Rapkin. | RSW. | suggest correction | ||
| RAPOSA | see A. Goys; see Joa~o de Goes. | Stimson 3; Guedes. | suggest correction | |||
| RASPAIL | France, c.1770, OIM | made micrscopes. | Dewhirst; Clay and Court. | suggest correction | ||
| RASPON, RAPHAEL | Italy, c.1600, MIM | Compass, large, shadow square = POB. | MADEX. | suggest correction | ||
| RASTRELLI, AUGUSTINO | Italy, 1719, MIM | Reduction Compass, 1719 = FLO-1257. | Florence. | Michel 3. | suggest correction | |
| RATCLIFF, BENJAMIN | England, fl.1743-59, MIM | Sundial, 1743 = St. Mary's Church, Welshpool. | father of Owen Ratcliff; clockmaker. | Welshpool. | Peate. | suggest correction |
| RATCLIFF, OWEN | England, fl.1776-80, MIM | Sundial = Castle Caereinion, Montgomeryshire. | son of Benjamin Ratcliff; clockmaker. | Welshpool. | Peate. | suggest correction |
| RATH, H. | Germany, c.1867, MIM | Mining Gradient Level, 1867 = Christie 12/18/74. | Munich. | RSW. | suggest correction | |
| RATH, PETER | Germany, c.1840, MIM PHIM | Compass, in case = DEU; Thermometer = DEU; Barometer = DEU. | Munich. | Middleton 1; RSW. | suggest correction | |
| RATHBONE, AARON | England, 1572-1618, | designed a reducing ruler; author. | Yorkshire. | Taylor 1(91). | suggest correction | |
| RATTENBURY, WILLIAM GEORGE | England, c.1816, MIM PHIM | Wheel Barometer = D.(1976). | apprenticed to James Ripley in the Grocers' Company, Oct. 3, 1816. | Stratton. | j. Brown 2; RSW. | suggest correction |
| RATTKNECHT, CHRISTOPH | Austria, c.1739, MIM | Graphometer, 1739 = SAL. | Salzburg. | Zinner 1; Michel 3. | suggest correction | |
| RATTKNECHT, JOHANN-CHRISTOPH | Austria, c.1670, MIM | Sundial = X. | Salzburg. | Michel 3. | suggest correction | |
| RATUS, CARL AUG., BAADEN FR. LIBE | Germany, 1766, MIM | Equatorial Sundial, 1766 = Soth. 5/12/75. | RSW. | suggest correction | ||
| RAVILIUS, ALEX | Italy, 1542, MIM | Skaphe, ivory and brass, 1537 = OXFB; Armillary Sphere, 1542 = ADL-M2. | the armillary is also marked "Io. Thomae Manfredo", probably the owner. | Engelmann 1; Michel 3; Yonge; ADL; RSW. | suggest correction | |
| RAVIZZA, AMICINO | Italy, 1799, MIM | corrected a sundial made by Cocart. | Cremona. | Evans 1. | suggest correction | |
| RAWBENGEL, HANS | Germany, 1487, MIM | made sundials, 1487. | Nürnberg. | Gouk 1. | suggest correction | |
| RAXTOR, JOHN | England, c.1818, MIM SIM | John Street, Birmingham. | Bryden 9. | suggest correction | ||
| RAY | England, MIM PHIM | Wheel Barometer = X. | possibly Daniel Ray, c.1790 or William Ray, c.1820, both came from Battle and were watchmakers. | Battle. | Goodison 1; Baillie 1. | suggest correction |
| RAY AND CO. | England, NIM | Sextant = Phillips 2/14/79. | Liverpool. | RSW. | suggest correction | |
| RAY, J., AND CO. | England, NIM | Sextant with case = D.(1976). | Liverpool. | RSW. | suggest correction | |
| RAY, J.W., AND CO. | England, | Sextants = Christie-SK 2/9/84, D.(1968). | may be same as J. Ray and Co., and possibly Ray and Co. | Liverpool. | RSW. | suggest correction |
| RAYNER, MICHAEL | England, c.1717, MIM | apprenticed to to John Patrick 1 in the Joiners' Company on Oct. 22, 1706; free in the Company Jan. 7, 1717. | Crawforth 7. | suggest correction | ||
| RAYNOLD | Germany, MIM | Alidade = Drouot 4/26/67. | Berlin. | RSW. | suggest correction | |
| RAYSON, WILLIAM | England, 1683, MIM | Quadrant, 1683 = Soth. 7/7/55; Horary Quadrant, Sutton-type, 1683 = WHI. | may be only one instrument. | Leicester. | Bryden 16; RSW. | suggest correction |
| READ, J. | England, PHIM | Set of Money Balances = Soth. 11/13/64. | St. Ann's Lane, Nr. Aldersgate, London. | RSW. | suggest correction | |
| READ, JOHN 1 | England, fl.1582-1610, MIM | worked in wood; made Blagrave's staff in 1590 and Arthur Hopton's staff in 1610; made alidades, squares, compasses, etc; partner of John Thompson 1, and succeeded by him. | Hosier Lane, London. | Taylor 1(68); Daumas 1; Michel 3; Dewhirst; A.J. Turner 10. | suggest correction | |
| READ, JOHN 2 | England, fl.1650, MIM | presumably son or nephew of John Read 1; Taylor thought he was partner and successor of Anthony Thompson 1 of Hosier Lane, but Edward Fage could have been the successor. | Hosier Lane, Smithfield, London. | Taylor 1(243). | suggest correction | |
| READ, JOHN 3 | England, 1688, MIM | Sundial, bronze, 1688 = Soth. 12/13/71 = WHI. | Bishop Stortford. | Bryden 16; RSW. | suggest correction | |
| READ, SAMUEL | England, fl.1742-78, PHIM | balance maker; chosen to make étalons of weights in 1742 for comparison by the Royal Society and the French Academy; partner of Charles De Grave and succeeded by him in 1780. | London. | Taylor 2(398); Daumas 1; G.L'E. Turner 24. | suggest correction | |
| READE | variant spelling for Read. | A.J. Turner 10. | suggest correction | |||
| READE, GEORGE | England, c.1762, | apprenticed to Richard Rust of the Grocers' Company on June 1, 1762. | J. Brown 1. | suggest correction | ||
| READING, THOMAS | Ireland, fl.1752-68, MIM | surveyer; apprenticed to Gabriel Stokes. | Georges Lane, near Stephens Street, Dublin. | Bryden 9. | suggest correction | |
| REALINI, C. | England, c.1825, PHIM | Wheel Barometers = Jared Coffin House, Nantucket, Mass., X (2), Soth.-PB pre-1980, Soth. 12/14/89 and 12/14/95. | Preston. | RSW. | suggest correction | |
| REALINI, L. | England, PHIM | Wheel Barometers = X (2). | Newcastle. | Goodison 1. | suggest correction | |
| REARDON, JOHN | England, c.1838, OIM | 42 Gaston Street, Clerkenwell, London. | Taylor 2(2217). | suggest correction | ||
| REAUMUR, RENE ANTOINE FERCHAULT DE | France, 1683-1757, | Réné Antoine Ferchault de Réaumur; designed a thermometer scale, with 0° as freezing and 80° as boiling; physicist. | La Bermondiere. | USNM; G.L'E. Turner 24; Daumas 1. | suggest correction | |
| REBALLIO EN ZOON | Holland, c.1800, PHIM | Hydrometer and Thermometer = USNM. | Rotterdam. | USNM. | suggest correction | |
| REBALLIO, A. | Holland, c.1790, OIM PHIM | Instrument = LEY; Telescope = Christie-SK 4/14/89. | Rotterdam. | Daumas 1; RSW. | suggest correction | |
| REBEIRO, IOZE GABRIEL | Spain, c.1790, | marked on an English octant; probably the owner. | Versailles 4/17/83. | suggest correction | ||
| RECH, WOLFF | Germany, c.1649, MIM | sandglass maker. | Nürnberg. | Lunardi. | suggest correction | |
| RECHBERGER, WILHELM | Germany, c.1611, | wrote about the astrolabe. | Augsburg? | Zinner 1. | suggest correction | |
| RECHTER, JAN 1 | Holland, fl.1730-1801, MIM OIM PHIM SIM | Planetarium = LEY; Solar Microscope = KEN; Artillery Inclinometers = ADL-M143, Soth. 10/28/63, LEY. | Delft. | Zinner 1; Michel 3; Dewhirst; Engelmann 1; ADL; RSW. | suggest correction | |
| RECHTER, JAN 2 | Holland, 1777-1801, MIM | son of Jan Rechter 1. | Delft. | Rooseboom 1. | suggest correction | |
| RECORDE, ROBERT | England, c.1556, | published drawings of portable and standing quadrants. | Gunther 2. | suggest correction | ||
| REDDING, ROSIER | England, c.1769, | apprenticed to Robert Taylor 2 of the Grocers' Company on July 4, 1769. | J. Brown 1. | suggest correction | ||
| REDMOND | Universal Ring Sundial = P.C. (1976). | English forgery, probably by Williams; marked "Dublin." | Brieux. | suggest correction | ||
| REED, JAMES | USA, 1792-1878, MIM SIM | Surveyor's Compasses = Alliance Historical Society, Ohio, U.S. Geological Survey, Washington, D.C., Michigan Historical Society, Lansing. | the Alliance, Ohio instrument is marked "Washington, Pa.", the others "Pittsburgh Pa."; by 1850 the firm was "James Reed and Co."; the later instruments may be by "James Reed and Co." | Washington, Pa. (1792-1847); Pittsburgh, Pa. (1847-78). | Smart 1; RSW. | suggest correction |
| REED, JAMES, AND CO. | USA, fl.1847-78, MIM SIM | Surveyor's Compass = Michigan Historical Society, Lansing, Michigan. | see James Reed. | Pittsburgh, Pa. | Smart 1; Multhauf 1; RSW. | suggest correction |
| REED, THOMAS, AND CO. | England, NIM | T.C. | Sunderland. | Crawforth 1. | suggest correction | |
| REEDER, R. | USA, c.1847, | took out a patent on a mariner's compass, 1847. | Cincinnati, Ohio. | UANM. | suggest correction | |
| REENS, H.A. | Holland, 19th Century, OIM PHIM | Wheel Barometer = Christie, April 1978; Telescope = Auction, Dordrecht, June 1975. | Rotterdam. | Mörzer Bruyns 2. | suggest correction | |
| REES, JOHN | England, c.1823, | apprenticed to James Hamer in the Joiners' Company, Oct. 8, 1823. | Crawforth 7. | suggest correction | ||
| REEVES AND SONS | England, 19th Century, MIM | Drawing Instrument Set = Christie-SK 7/24/86; Sector, ivory = Gersaint, La Rochelle 7/20/96. | see William Reeves and Co. | London. | RSW. | suggest correction |
| REEVES, JOHN | England, fl.1679-1710, OIM | member of the Turners' Company; son of Richard Reeves 1; the objective lens at KEN may be by John rather than Richard Reeves 1, which see; John is probably the Reeves, Jr. mentioned by Pepys. | London. | Taylor 1(412); Daumas 1; Evans 1; Court and von Rohr; Latham and Matthews; Robischon 1; Clay and Court. | suggest correction | |
| REEVES, RICHARD 1 | England, fl.1641-89, OIM | Telescope = KEN. | member of the Turners' Company; made microscopes and lenses for telescopes; worked for Hooke; made a spyglass, a microscope and a scotoscope for Samuel Pepys, 1661-64; made very long telescopes; perspective glass maker to the King; made James Gregory's prototype reflecting telescope. | against the Foot and Leg, Long Acre, London. | Taylor 1(199); Latham and Williams; Dewhirst; Henry King 1; L. Bell; Court and von Rohr 3(I); Robischon 1; Daumas 1; A.D.C. Simson. | suggest correction |
| REEVES, RICHARD 1 AND JOHN COX | England, c.1664, OIM | telescope makers. | London. | Henry King 1. | suggest correction | |
| REEVES, RICHARD 2 | England, c.1666, OIM | telescope maker; son of Richard Reeves 1? or is he the same man? | London. | A.J. Turner 10. | suggest correction | |
| REEVES, W. | England, c.1840, PHIM | Syke's Hydrometer = P.C. (1989). | adjusted by H.R. Loftus in 1943; see William Reeves and Co. | London, possibly 69 EASTCHEAP. | RSW. WEBDB. | suggest correction |
| REEVES, WILLIAM | USA, 1785, NIM | Hadley's Quadrant, 1785 = VNN. | "Reeves, Thomaston, Me." is written in the case. | Thomaston, Me. | RSW. | suggest correction |
| REEVES, WILLIAM, AND CO. | England, c.1850, MIM | Double Slide Rule = D.(1989). | see Reeves and Sons. | London. | Moskowitz 132. | suggest correction |
| REGHTER, DAVID | Holland, fl.1780-97, PHIM | Middelburg. | Rooseboom 1. | suggest correction | ||
| REGIOMONTANUS, JOHANNES | Germany, 1436-76, MIM | Johannes Müller; astronomer, author, published a calendar and ephemerides; designed various astronomical instruments; Zinner attributed a ring sundial, ADL-M307, to Regiomontanus; see Johannes. | Königsberg. | Zinner 1; Maddison 1 & 2; Michel 3; J.A. Bennett 2; DSB; Engelmann 1; ADL; RSW. | suggest correction | |
| REGNARD FRERES | France, MIM | Clepsydra = CNAM. | Regnard frères. | Sens. | Con. Nat'l 1; RSW. | suggest correction |
| REGNAULT, HENRI VICTOR | France, 1810-78, | devised a hygrometer similar to Daniell's. | G.L'E. Turner 24. | suggest correction | ||
| REGNIER | France, c.1800, MIM | Meridian Sundial = CNAM. | Régnier. | Senaur. | RSW. | suggest correction |
| REGNIER, EDWARD | France, c.1800, PHIM | Dynamometers = USNM, Soth. 10/17/60. | à Beau Grenelle, Banlieu de Paris. | USNM; RSW. | suggest correction | |
| REHE, SAMUEL | England, fl.1770-92, MIM PHIM | Stick Barometer = Sir John Soane Museum, London. | the barometer is signed "S. Rehe London"; the scale has both French and English inches; worked for John Troughton 2 in 1778; made a copy of Ramsden's dividing engine. | Shoe Lane, London. | Taylor 2(757); Goodison 1; Bedini 8; Daumas 1; USNM. | suggest correction |
| REICHENBACH UND FRAUENHOFER | Germany, c.1810, MIM OIM | Telescope = DRE. | Munich. | RSW. | suggest correction | |
| REICHENBACH UND UTZSCHNEIDER | Germany, fl.1804-15, MIM OIM | Meridian Transit = NOR; Meridian, 1815 = Capodimonte Obs., Naples. | Georg von Reichenbach and Joseph von Utzschneider. | Pipping 1; RSW. | suggest correction | |
| REICHENBACH, GEORG VON | Germany, 1772-1826, MIM OIM | Altazimuth Instrument, 1814 = Naples Observatory; Dividing Engines, = DEU (1804), SWE (1832); Altazimuth Telescope = PRA; Sextant = DEU; Repeating Theodolite, 1810 = DEU. | worked with Joseph Liebherr, 1802-14; joined by Utzschneider in 1804; went with Ertel in 1814. | Mannheim. | Zinner 1; Daumas 1; Pipping 1; J.A. Bennett 2; RSW. | suggest correction |
| REICHENBACH, UTZSCHNEIDER UND LIEBHERR | Germany, c.1804, MIM OIM SIM | Georg von Reichenbach, Joseph von Utzschneider and Joseph Liebherr. | Munich. | J.A. Bennett 2. | suggest correction | |
| REICHER, GEORG | Germany, c.1674, MIM | made sundials. | Nürnberg. | Gouk 1. | suggest correction | |
| REICHERT, JOHANN | Germany, fl.1761-68, PHIM | Nest of Weights = Drouot Richelieu 4/28/88. | RSW. | suggest correction | ||
| REICHLE, MELCHIOR | Germany, fl.1568-69, MIM | Astronomical Compendium, 1568 = BM; Cruciform Sundial, 1569 = BM | Zinner 1; Price 3; Ward 4. | suggest correction | ||
| REICHMANN, JOSEPH: FRAN: ANT: DE | Germany, c. 1773, | the name is marked on an armillary sphere made by Eiler Christian Hogh, ADL-M9; surely the owner. | Engelmann 1; Yonge; Habacher; ADL; RSW. | suggest correction | ||
| REID | Scotland, c.1815, MIM | patented a trigonometer. | Aberdeen. | RSW. | suggest correction | |
| REID, ADAM | England, PHIM | Stick Barometer = X. | Woolwich. | Goodison 1. | suggest correction | |
| REID, ALEXANDER | Scotland, c.1850, PHIM | Wheel Barometer = Christie 12/8/76. | barometer signed "Alex Reid." | 66 Nicholson Street, Edinburgh. | RSW. | suggest correction |
| REID, JOHN | England, c.1590, MIM | John Blagrave referred to him as an able maker. | Darius 3. | suggest correction | ||
| REIFF, GOTTFRIED | Germany, c.1750, MIM | Pillar Sundials, wood = MERC = WHI, Soth. 4/18/88. | Nürnberg. | Zinner 1; Hamilton 2; Bryden 16; RSW. | suggest correction | |
| REIFFEL, C., AND N. THORN | USA, c.1848, MIM | patented a new form of dividers in 1848. | New York, N.Y. | USNM. | suggest correction | |
| REIGER, P.J. | Germany, MIM | Sector = Evans Coll. | Augsburg. | Evans 1. | suggest correction | |
| REIGNE | France, 18th Century, NIM | Octant, wood with silver trim = ROU-79. | Marseille. | Daumas 1; RSW. | suggest correction | |
| REIMANN, I. | Germany, c.1850, MIM | showed at the Great Exhibition of 1851 in London. | Berlin, Prussia. | G.L'E. Turner 24. | suggest correction | |
| REINE, R. | England, fl.1673-80, OIM | made optical glass. | Lime Street, between Leadenhall and Fenchurch Streets, London. | Taylor 1(367); Evans 1. | suggest correction | |
| REINELT, PAUL | Germany, MIM | Pair of Globes = Stiftsbibliothek, Braunau in Böhmen. | Zinner 1. | suggest correction | ||
| REINERUS GEMMA | same as Gemma Frisius, which see. | Baillie 1. | suggest correction | |||
| REINHOLD, ERASMUS 1 | Germany, 1511-55, | astronomer; author. | Wittenberg. | Michel 3. | suggest correction | |
| REINHOLD, ERASMUS 2 | Germany, c.1576, MIM | Tycho Brahe used a large wooden quadrant made by Erasmus Reinhold (2), in 1576. | Saalfeld and Wittenberg. | Michel 2 & 3. | suggest correction | |
| REINHOLD, JOHANNES | Germany, fl.1588-92, MIM | Celestial Globe, with sundials on base, 1588 = CNAM; Terrestrial Globe, 1588 = NMM; Astrolabe, 1591 = HAY. | clockmaker; worked with Georg Roll; see Roll und Reinhold. | Augsburg. | Zinner 1; Aked; Cons. Nat'l 1; NMM 2; RSW. | suggest correction |
| REINMANN | Germany, MIM | Diptych Sundial, ivory = BASH. | punchmark is a moon. | Price 2. | suggest correction | |
| REINMANN, BENEDIKTUS | Germany, fl.1564-75, MIM | Master in 1564; made ivory diptych sundials; sometimes spelled "Reymann." | Nürnberg. | Michel 3; Gouk 1. | suggest correction | |
| REINMANN, GEORG 1 | Germany, fl.1527-42, MIM | Diptych Sundial, wood, 1531 = X; Diptych Sundials, ivory = WHI (1536). | not in Bryden 16. | Nürnberg. | Zinner 1; Michel 3; Gunther 2; Evans 1; Lunardi; Gouk 1. | suggest correction |
| REINMANN, GEORG 2 | Germany, fl.1551-71, MIM | Diptych Sundial, ivory, 1551 = Wien Mobiliendepot; Diptych Sundial, wood, 1555 = NUR. | Master in 1555; Gouk dated him "1555-71." | Nürnberg. | Gouk 1; RSW. | suggest correction |
| REINMANN, GEORG 3 | Germany, fl.1575-85, MIM | made sundials. | Nürnberg. | Gouk 1. | suggest correction | |
| REINMANN, HANS 1 | Germany, 1547-71, MIM | Master in 1565; made sundials. | Nürnberg. | Michel 3; Gouk 1. | suggest correction | |
| REINMANN, HANS 2 | Germany, d.1627, MIM | father of Hans Reinmann 3; made sundials. | Nürnberg. | Gouk 1. | suggest correction | |
| REINMANN, HANS 3 | Germany, d.1628, MIM | son of Hans Reinmann 2; made sundials. | Nürnberg. | Gouk 1. | suggest correction | |
| REINMANN, HIERONYMUS | Germany, fl.1554-69, MIM | Diptych Sundials, ivory = MUN (1554), OXF (1558), NMM (1562), Beauvais Museum (1563), Koller 11/17/75 (1563), (1573), (1561 partial), Sammlung W. Lüdge, Einbeck (1565), NMM (1566), ADL-DPW28 (1569), Huelsmann Coll. (1558). | became Master of the Compassmakers' Guild in 1556. | Nürnberg. | Zinner 1; Michel 3; Gunther 2; NMM 2; Gouk 1; Syndram; ADL; RSW. | suggest correction |
| REINMANN, JORG | see Georg Reinmann. | Zinner 1. | suggest correction | |||
| REINMANN, PAULUS | Germany, 1557-1609, MIM | made many ivory diptych sundials from 1575 to 1609; examples may be seen at ADL, NYM, NMM, UANM, OXF, DEU, KES, HAM, NOR, WHI, HAK, etc.; Horizontal Sundial, 1591 = Drouot 4/7/87; Artillery Levels = DRE (lost), Soth. 3/10/87 (1600). | Reinmann's master mark was a crown; M. Lesel used a crown as his master mark from 1609 to 1629. | Nürnberg. | Zinner 1; Morpurgo 2; Lunardi; Brieux 1; Chandler and Vincent; USNM; Hamilton 2; Spitzer Cat.; Bryden 16; Gouk 1; ADL; RSW. | suggest correction |
| REINTHALER, CHRIST. FRIED. ERNST | Germany, 1783, OIM | Solar Microscope, 1783 = DRE. | Leipzig. | Dewhirst; Clay and Court; RSW. | suggest correction | |
| REIS, JOSE MARIA DOS | Brazil, fl.1837-73, MIM | made the azimuth instrument invented by Emmanuel Liais; won medals at Exhibitions between 1861 and 1871 including first prize in the Great Exhibition of 1862 in London. | Rua do Hospico, 67,69 & 71, Rio de Janeiro. | RSW. | suggest correction | |
| REISCH, LEONHARD | Germany, c.1701, MIM | Celestial Globe, 1701 = Wien Schottenstift. | clockmaker; author; the globe is signed "Leonhardus Reisch Algojus." | Oberdorf. | Zinner 1. | suggest correction |
| REISSIG | Germany, c.1803, MIM OIM | instrument maker to the court at Kassel. | Kassel. | Ashbrook. | suggest correction | |
| REITA, ANTHONY MARIA VON SCHYRLE DE | Germany, 1597-1660, | invented a new telescope eyepiece; author. | Dewhirst; Clay and Court. | suggest correction | ||
| REITER, M. | see Prof. Bohme and M. Reiter. | RSW. | suggest correction | |||
| REITZEL, C.A. | England?, c.1850, MIM | Celestial Globe = Soth. 4/18/88. | ten-inch N. Anderson globe constructed by Reitzel. | RSW. | suggest correction | |
| RELTING, A. | c.1760, MIM | Diptych Sundial, wood = Evans Coll. | Evans 1. | suggest correction | ||
| RENARD 1 | see Renaud. | Pipping 1. | suggest correction | |||
| RENARD 2 | France, c.1750, MIM SIM | Graphometer = Koller, May, 1972. | Paris. | RSW. | suggest correction | |
| RENARD, N. | France, 18th Century, MIM | Universal Ring Sundial, silver = MERC; Universal Ring Sundial, gilt-brass = P-B 1/22/54. | Montauban. | Michel 3; Hamilton 1; RSW. | suggest correction | |
| RENAUD | France; Germany, 1790, PHIM | Thermometer, 1790 = GEM. | Strasbourg; Berlin. | Pipping 1; A.J. Turner 10. | suggest correction | |
| RENAUD, J. | France, c.1700, MIM | Surveying Instrument = PMM. | Daumas thought it was a mariner's astrolabe, but it had been incorrectly restored. | Marseilles. | Daumas 1; A. Stimson 3; RSW. | suggest correction |
| RENCH, E. | England, c.1840, PHIM | Wheel Barometer = D.(1976). | Grey Inn Terrace, London. | RSW. | suggest correction | |
| RENNISON | England, 19th Century, NIM | Quadrant = SUN. | Station Road, Barry Docks, Sunderland. | RSW. | suggest correction | |
| RENNISON AND SON | England, 19th Century, NIM | Octant = D.(1973). | North Shields. | RSW. | suggest correction | |
| RENNOLDSON | England, c.1800, MIM | Drawing Instrument Set, incomplete = Sotheby's 5/11/94. | either J.A. or Isaac Rennoldson; T.C. | RSW. | suggest correction | |
| RENNOLDSON, ISAAC | England, fl.1822-46, MIM OIM | succeeded J. Rennoldson, who could have been his father or uncle, in 1822. | 5 Cambridge Place, Hackney Road, London. | Taylor 2(1682). | suggest correction | |
| RENNOLDSON, J. | England, fl.1817-22, MIM | Sector, ivory = Cooke's Shop, CMY; Universal Ring Sundial = Soth. 3/9/64. | succeeded by Isaac Rennoldson, which see. | 23 Camden Row, Bethnal Green Road, London. | Taylor 2(1413); RSW. | suggest correction |
| RENSBERG, NICOLAUS | Germany, 1568, MIM | Astronomical Compendium, 1568 = WUP. | the base of the compendium was curved to fit a cannon; a compass was in a Bavarian collection in 1599; mathematician; clockmaker; alternative spelling was "Rensberger." | Coburg. | Zinner 1; Evans 1; Basserman-Jordan 1; RSW. | suggest correction |
| RENWICK, JAMES | England, fl.1844-47, PHIM | barometer and thermometer maker. | 2 Booths Place, Turnmill Street, London. | Goodison 1. | suggest correction | |
| REOHAN, THOMAS | misreading for Keohan. | Taylor 2(2218). | suggest correction | |||
| REPETTO, M.E., Y CA. | Argentina, c.1850, PHIM | Stick Barometer = Soth. Pulborough 3/1/83. | dealers for Negretti and Zambra; barometer marked "Introductones." | Buenos Aires. | RSW. | suggest correction |
| REPSOLD, A., UND SOHNE | Germany, 1867, MIM OIM | Adolf Repsold and two of his sons. | Hamburg. | J.A. Bennett 2. | suggest correction | |
| REPSOLD, ADOLF | Germany, 1806-71, MIM OIM | worked with his brother, Georg; they succeeded their father, Johann Georg Repsold in 1830; the name was changed to A. & G. Repsold; the firm became A. Repsold und Söhne in 1867. | Hamburg. | J.A. Bennett 2. | suggest correction | |
| REPSOLD, ADOLF UND GEORG | Germany, fl.1830-67, MIM OIM | Heliometer, 1849 = KEN; Telescopes, 1853 = Madrid Observatory. | succeeded their father, Johann Georg Repsold in 1830; makers of very fine, large instruments. | Hamburg. | Pipping 1; J.A. Bennett 2; RSW. | suggest correction |
| REPSOLD, GEORG | Germany, 1804-85, MIM OIM | worked with his brother, Adolf; they succeeded their father, Johann Georg Repsold, in 1830; the firm was then known as A. & G. Repsold; Georg retired in 1867. | Hamburg. | J.A. Bennett 2. | suggest correction | |
| REPSOLD, JOHANN GEORG | Germany, 1771-1830, MIM OIM | established his firm in 1802; made precision astronomical instruments; succeeded by his sons, Adolf and Georg Repsold in 1830. | Hamburg. | Daumas 1; Pipping 1; Pannekoek; J.A. Bennett 2. | suggest correction | |
| RESCOW, JOHN | England, c.1710, MIM | Liverpool. | Taylor 2(108); Bryden 9. | suggest correction | ||
| RESEL, FRANZ | Austria, 1759, MIM | Table Sundial, 1759 = Linz Museum Depot Hohenfurth; Graphometer = D.(1931); Compass Sundial = MERC-100 = Soth. 12/12/55; Pocket Sundial = BM. | compass sundial signed "Fr. Resel Fecit Vienne." | Vienna. | Zinner 1; Hamilton 1; Price 3; Ward 4; RSW. | suggest correction |
| RESI, HANS | name marked on mining compass signed "H.G." (6) at GRA. | Zinner 1; Michel 3. | suggest correction | |||
| RESLER, ANTON VON | Germany, 18th Century, MIM | Augsburg-type Sundials = MERC, OXF (2), NOR, Soth. 12/16/63, Munich Auction, 1965. | the dial at NOR is signed "Antony Resler." | Augsburg. | Zinner 1; Hamilton 1; Evans 1; Bobinger 2; RSW. | suggest correction |
| RESTELL | England, 19th Century, PHIM | Wheel Barometer = Phillips 1/30/84. | Croyden. | RSW. | suggest correction | |
| RETTING, E. | Germany, MIM | Diptych Sundial, wood = OXF. | Zinner 1. | suggest correction | ||
| REVERE, PAUL | USA, 1735-1818, MIM | Gunner's Calipers = Bostonian Society, Mass., Paul Revere Memorial Association, Boston, Mass.; Compass Card, 1786 = Yale U. Art Gallery; Balance, weights and case = Paul Revere Memorial Association. | silversmith; Revere did the engraving for the paper compass roses for Benjamin Warren's surveying compasses. | Boston, Mass. | Bedini 8; Price 2; The World of Franklin and Jefferson Exhibition Cat.; Revere Cat. | suggest correction |
| REW, ROBERT | England, fl.1755-65, OIM | described as one of the workmen of John Dollond 1. | London. | Taylor 2(528); Daumas 1. | suggest correction | |
| REYBORNE, J., AND SONS | England, MIM | Rule, folding, ivory = Christie-Geneva 11/20/79. | RSW. | suggest correction | ||
| REYMANN | see Reinman. | Michel 3. | suggest correction | |||
| REYNERUS, GEMMA | see Gemma Frisius. | A.J. Turner 10. | suggest correction | |||
| REYNOLDS | England, c.1850, MIM SIM | Level and Inclinometer = D.(1994). | probably J.A. Reynolds of J.A. Reynolds and Co. | Birmingham. | Garcelon 33. | suggest correction |
| REYNOLDS AND CO. 1 | England, c.1840, NIM | Pelorus = Marine Museum, Horten, Norway; Nautical Instrument = AMST. | Tower Hill, London. | Mörzer Bruyns 1; RSW. | suggest correction | |
| REYNOLDS AND CO. 2 | England, MIM | Surveyor's Level = Soth.-West Sussex 10/18/83. | see J.A. Reynolds and Co. | Birmingham. | RSW. | suggest correction |
| REYNOLDS AND WIGGINS | England, c.1840, NIM PHIM | Sympiesometer = Soth. 12/17/87. | William Reynolds and Frederick Wiggins. | 82 Minories, London. | Taylor 2(2273); RSW. | suggest correction |
| REYNOLDS, G. | USA, c.1950, MIM | Astrolabe, c.1950 = Pugsley Sale. | chief engineer of Winchester Arms Co.; he made many reproductions of instruments for Mr. Edwin Pugsley, the C.E.O. of Winchester Arms Co. | New Haven, Conn. | Pugsley Sale; RSW. | suggest correction |
| REYNOLDS, J. | England, PHIM | Wheel Barometer = X. | St. Austell. | Goodison 1. | suggest correction | |
| REYNOLDS, J.A., AND CO. | England, MIM | Rolling Rule = Christie-SK 7/24/86; Surveying Level = Christie-SK 2/8/79. | see Reynolds and Co. 2. | Birmingham. | RSW. | suggest correction |
| REYNOLDS, JOHN | England, fl.1582-1636, MIM SIM | made wooden plane tables, etc; probably a master gunner. | Barking Churchyard (All Hallows Church), Tower Street; near Tower Hill; The Tower; all in London. | Taylor 1(69); Michel 3; Gunther 4. | suggest correction | |
| REYNOLDS, JOSEPH | England, c.1691, MIM | apprenticed to Richard Whitehead of the Clockmakers' Company on Sept. 20, 1683; free of the Company, April 6, 1691. | J. Brown 3. | suggest correction | ||
| REYNOLDS, THOMAS | England, c.1719, MIM | apprenticed to James Swetman 1 in the Grocers' Company on Mar. 5, 1712; free of the Company, June 23, 1719. | J. Brown 1. | suggest correction | ||
| REYNOLDS, WILLIAM | England, fl.1827-80, MIM | merged with John Lilley and Son(s) in 1880, as Lilley and Reynolds Ltd. | London. | Brewington 1. | suggest correction | |
| REYNOLDSON | England, c.1800, MIM OIM | Mathematical Instrument Set = X.; Pantograph = Christie 4/3/85. | St. John's Lane, West Smithfield, London. | Taylor 2(1203); Clay and Court; Dewhirst; Daumas 1; RSW. | suggest correction | |
| REYNOLDSON, THOS. | England, PHIM | Wheel Barometer = X. | 7 Queen Street, Hull. | Goodison 1. | suggest correction | |
| RHODES, MANOAH | England, c.1841, | Barometer = X. | the barometer is signed "M. Rhodes Bradford"; he was listed as a jeweler; probably a dealer in barometers. | 138 Westgate, Bradford. | Goodison 1; Baillie 1. | suggest correction |
| RIBALDI, A. | Ireland, PHIM | Barometer = D.(1955). | Limerick. | RSW. | suggest correction | |
| RIBALDI, J. | Ireland, PHIM | Wheel Barometer = X; Stick Barometer = X. | Limerick. | Goodison 1. | suggest correction | |
| RIBOLDI, JOSEPH | Ireland, 1824, PHIM | carver and gilder; may be the same as J. Ribaldi, which see. | 122 George's Street, Limerick. | Morrison-Low and Burnett. | suggest correction | |
| RIBOLDI, L. | Ireland, PHIM | Wheel Barometer = Phillips 5/8/85. | Limerick. | Morrison-Low and Burnett. | suggest correction | |
| RIBON | France, PHIM | Balance, small = Chateau de Barbie, Albi. | "Balancier." | à l'Rue Couronné Cour St. Martin N. 8, Paris? | RSW. | suggest correction |
| RIBOUT | France, MIM | Architect's Scales = WHI. | RSW. | suggest correction | ||
| RIBRIGHT AND SON | England, fl.1778-82, OIM | George Ribright and his son, Thomas Ribright 2. | London. | Taylor 2(529)(758); Goodison 1; RSW. | suggest correction | |
| RIBRIGHT, GEORGE | England, 1730-90, MIM OIM | Sets of Drawing Instruments = Christie-SK 4/17/86, DeLuca 8/1/87 (silver). | son of Thomas Ribright 1; apprenticed in 1744; admitted as a foreign Brother to the Spectaclemakers' Company on Oct. 3, 1751; took apprentices; took his son Thomas Ribright 2 as partner to become Ribright and Son, in 1788. | 40 the Poultry, London (1764 1790). | Taylor 2(529); Clay and Court; Court and von Rohr 3(150); RSW. | suggest correction |
| RIBRIGHT, THOMAS 1 | England, 1712-72, MIM OIM | Case of Instruments with Persective Glass = KBV; Microscope, Culpeper-type = Soth. 3/25/86. | apprenticed to Thomas Sterrop 2 in the Spectaclemakers' Company in 1726; free in the Company, 1734; Master in the Company, 1758-60; took apprentices; "Optician to his Royal Highness, George, Prince of Wales"; T.C.; patented an etui with a telescope in the middle. | at the Golden Spectacles, the Poultry, London. | Taylor 2(299); Clay and Court; Court and von Rohr 3; Calvert 2; Crawforth 1 & 7; Evans 1; Delehar 6. | suggest correction |
| RIBRIGHT, THOMAS 2 | England, fl.1768-1810, OIM PHIM | Wheel Barometer = P.C. | the barometer is signed "T. Ribright"; apprenticed to his father, George Ribright of the Spectaclemakers' Company in 1768; free of the Company in 1775; partner with his father as Ribright and Son, 1778-82; on his own, 1783-95. | 40 Poultry, London. | Taylor 2(758); Goodison 1; Court and von Rohr 3. | suggest correction |
| RICCIOLI | Ireland, c.1661, MIM | Rule = BRP. | Price 2. | suggest correction | ||
| RICE, THOMAS | England, fl.1640-60, MIM | gunner at the Tower; made many sundials. | The Tower, London. | Taylor 1(1960; Evans 1; Gatty. | suggest correction | |
| RICH, JAMES | England, 1771, NIM | Backstaff, wood, 1771 = D.(1973). | Wynter and Turner. | suggest correction | ||
| RICH, MOSES | England, NIM | Octant = Woodman Institute, New Hampshire. | London. | USNM. | suggest correction | |
| RICHARD OF WALLINGFORD | England, born c.1292-1335, MIM | Abbott of St. Albans; member of the "Merton School"; instrument maker and astronomer; among his inventions are the rectangulus and the albion (1326); made an astronomical clock, c. 1320. | Oxford; Wallingford. | Gunther 2; North 4; Michel 3 & 5; Needham 1. | suggest correction | |
| RICHARD, C.A. | USA, fl.1845-60, PHIM | barometer maker. | High Street, next door south of Mrs. Robinson's City House, Columbus, Ohio. | E.D. Beckman. | suggest correction | |
| RICHARDS, DAVID | England, c.1834, OIM | also made chronometers. | 27 Church Street, Birmingham. | Taylor 2(1978). | suggest correction | |
| RICHARDS, ESTHER | England, fl.1801-08, MIM | rule maker. | 94 Lichfield Street (1801); 95 Lichfield Street (1808); both in Birmingham. | Bryden 9. | suggest correction | |
| RICHARDS, JOHN 1 | England, c.1802, | apprenticed to Charles Fairbone 1 of the Grocers' Company on Oct. 2, 1800; turned over to Charles Fairbone 2 of the Grocers' Company on Feb. 8, 1802; may be the same as John Richards 2. | J. Brown 1; RSW. | suggest correction | ||
| RICHARDS, JOHN 2 | England, c.1818, MIM | rule maker; may be the same as John Richards 1. | Lichfield Street, Birmingham. | Bryden 9; RSW. | suggest correction | |
| RICHARDS, WILLIAM | England, fl.1787-97, MIM | rule maker; worked in boxwood and ivory. | 14 Lichfield Street (1787); Lichfield Street (1797); both in Birmingham. | Bryden 9. | suggest correction | |
| RICHARDSON, GEORGE | England, fl.1807-30, MIM NIM OIM | Octant = AMST; Telescope = Christie-SK 7/10/80; Sextant = Cohasset Historical Society, Mass. | apprenticed in 1784; T.C., "late foreman to Mr. Chas. Lincoln", "Real Manufacturer." | 18 Leadenhall Street (1807); 7 St. Catherines Street, near the Tower (1808-17); 12 Upper East Smithfield (1821); 38 Windham Street, New Road, Marylebone (1826); all in London. | Taylor 2(1205); Mörzer Bruyns 1; Crawforth 1; USNM; RSW. | suggest correction |
| RICHARDSON, JOHN 1 | England, fl.1797-1819, OIM | held a patent on a machine to polish glasses in 1797; became Richardson and Sons by 1819. | 26 Great Queen Street, Lincoln's Inn Fields (1808); 1 Drury Lane (1810); 22 Little Queen Street, Holborne (1814); all in London. | Taylor 2(1031). | suggest correction | |
| RICHARDSON, JOHN 2 | England, fl.1801-27, OIM | apprenticed to his father Winstanley Richardson in the Spectaclemakers' Company in 1794; free in the Company, Jan. 15, 1801. | 16 Somerset Street, Aldgate, London (1801-27). | Taylor 2(1206); Court and von Rohr 3(230). | suggest correction | |
| RICHARDSON, JOSEPH | USA, PHIM | Gold balances (3) in case = Soth. 1/22/25. | Philadelphia, Pa. | RSW. | suggest correction | |
| RICHARDSON, MATTHEW | England, fl.1737-52, OIM | probably father of Winstanley Richardson; apprenticed to Edward Scarlett 1 of the Spectaclemakers' Company on June 10, 1730, free of the Company Dec. 27, 1737; T.C.; "Optician to his Majesty." | at Sir Isaac Newton's Head and Golden Spectacles against York Buildings, in ye Strand, London. | Taylor 2(400); Court and von Rohr 3(131); Calvert 2; Clay and Court; Crawforth 1. | suggest correction | |
| RICHARDSON, WILLIAM | Ireland, fl.1784-86, OIM | optician. | 4 East Cole Alley, Dublin. | Bryden 9; Morrison-Low and Burnett. | suggest correction | |
| RICHARDSON, WINSTANLEY | England, fl.1771-1807, OIM | apprenticed to Thomas Lincoln of the Spectaclemakers' Company on Oct. 4, 1753; free of the Company, Sept. 30, 1773; took his son, John Richardson 2 as an apprentice. | Irongate, London (1807). | Court and von Rohr 3(165). | suggest correction | |
| RICHBOURG | France, MIM | Universal Sundial = Soth. 5/29/61. | Paris. | RSW. | suggest correction | |
| RICHER | France, | son of Jean-François Richer. | Daumas 1. | suggest correction | ||
| RICHER, JEAN-FRANCOIS | France, 1743-1820, MIM NIM SIM | Tellurium = BMR; Graphometers = P.C. (1987) (1807) (2), A-P 3/15/76 (1807), D.(1985), Versailles 11/20/83, Soth. 4/29/77; Magnetic Compass, 1807 = Picard, Drouot Richelieu, 12/11/91; Transit Circles = P.C., Ineichen 10/20/75; Sextant = Historical Society of Delaware; Y-Level = Franklin Institute Philadelphia, Pa.; Marine Compass = VNN; Terrestrial Globe = P.C.; Slide Rules = P.C.(1987), D.(1993). | Jean-François Richer; all his instruments are signed simply "Richer à Paris"; scale on Mossy barometer of 1789 is marked "Divisé par Richer"; the tellurium was marked "invented by Abbé Grenet." | L' Hermite, Paris. | Daumas 1; USNM; Moskowitz 103; Coffeen 10 and 43; Darius 4; RSW. | suggest correction |
| RICHER, MAISON | France, OIM | Telescopic Level = Versailles 4/17/83. | the level is signed "Maison Richer L'Hermite Le Jars successeurs à Paris." | L'Hermite, Paris. | RSW. | suggest correction |
| RICHLOT | Germany, MIM | Mining Set = HAK. | RSW. | suggest correction | ||
| RICHTER, E.O., AND CO. | England, MIM | Draftsman's Kit = Weschler 5/22/76. | RSW; WEBDB. | suggest correction | ||
| RICHTER, JOHANNES | see Praetorius. | Michel 3. | suggest correction | |||
| RICKARDS, JOSEPH | England, | apprenticed to William Elliot 1 in the Joiners' Company on April 30, 1816. | Crawforth 7. | suggest correction | ||
| RICKETT, W. | England, c.1786, OIM | Horary Quadrant = KEN. | Taylor 2(885); Daumas 1. | suggest correction | ||
| RIDEL | France, NIM | Marine Compass = Historical Society of Old Newbury, Mass. | Nantes. | USNM. | suggest correction | |
| RIDER, JOB | Ireland, fl.1805-09, | partner of Henry Gardner, 1805-09; watch and clock maker. | Belfast. | Morrison-Low and Burnett. | suggest correction | |
| RIDER, WILLIAM | England, fl.1832-34, MIM NIM OIM PHIM | advertised sextants. | 22 Ashton Street, Poplar, Borough, London. | Taylor 2(1684); O'Mara. | suggest correction | |
| RIDLEY, MARK | England, 1560-1624, MIM | author; sundial maker. | Cambridge. | Taylor 1(56). | suggest correction | |
| RIEBENHAUSEN | Germany, 17th Century, MIM SIM | Circumferentor = Munich Geodätisches Institut. | Zinner 1. | suggest correction | ||
| RIEDIG, M.C.G. | Germany, 1820-22, MIM | Celestial Globe, 1822 = DRE; Terrestrial Globe, 1820 = DRE. | Leipzig. | RSW. | suggest correction | |
| RIEDIGER, ADAM | Switzerland, c.1735, MIM | Table Sundial, 1735 = STU; Celestial Globe = Bern Stadtbibliothek. | Berne. | Zinner 1. | suggest correction | |
| RIEFLER, CLEMENS | Germany, fl.1841-76, MIM | Ellipsograph = Christie 12/8/76. | made precision clocks and drawing insruments. | Nesselwang; Munich, Bavaria. | G.L'E. Turner 24; RSW; WEBDB. | suggest correction |
| RIEGE, GEORG | Germany, c.1699, MIM | Diptych Sundials, ivory, = Drecker = ADL-DPW23 (1699), D.(1972). | the master mark is a three-leaf clover. | Nürnberg. | Zinner 1; Price 2; Gouk 1; ADL; RSW. | suggest correction |
| RIENKS, SYDS JOHANNES Z. | Holland, 1770-1845, OIM | Telescopes = AMST (1824), LEY (1825), BRO (1825), Eisinga's House, Franekar (1830); Microscopes = TEY (1825), KEN (1826), etc. | worked with Argen Roelofs; worked alone by 1826. | Ferwerderadeel; Leiden. | Mörzer Bruyns 1 and 2; G.L'E. Turner 24; Daumas 1; Insley 1; Dewhirst 1; Clay and Court; Rooseboom 1; RSW. | suggest correction |
| RIEPENHAUSEN, J.C. | MIM | Analemmatic Sundial = MLL. | RSW. | suggest correction | ||
| RIESEN, A.B. | marked on a surveying instrument signed "C.T.F. Anno 1589 M.S." at DRE; it is "M.S." (5). | RSW. | suggest correction | |||
| RIESS, PROF. | Germany, 1840, MIM | Chronoscope, 1840 = WUP. | Stuttgart. | RSW. | suggest correction | |
| RIGAUD, DE SAINT | France, c.1610, | designed the capuchin sundial. | Cousins. | suggest correction | ||
| RIGG, CUTHBERT | 1708, | Instrument, 1708 = University of Miss. | owner? | Price 2. | suggest correction | |
| RIGGS AND BROTHER | USA, c.1845, NIM | Marine Compasses = MYS, D.(1970); Sextants = MYS, D.(1970). | company founded in 1818 by William H.C. Riggs; the firm was also a retailer of navigating instruments; the Philadelphia Maritime Museum has a sextant made by Heather but bearing their name. | 310 Market Street, Philadelphia Pa. | USNM; Moskowitz 101; RSW. | suggest correction |
| RIGGS AND BROTHERS | USA, c.1840, NIM | Pelorus, 1840 = Museum of Science and Industry, Chicago, Il.; Sextant = D.(1972). | see William H.C. Riggs. | Philadelphia, Pa. | USNM; Moskowitz 104; RSW. | suggest correction |
| RIGGS AND CO. | USA, c.1825, NIM | Marine Compass = D.(1972). | Philadelphia, Pa. | Moskowitz 103. | suggest correction | |
| RIGGS, WILLIAM H.C. | USA, fl.1818-36, NIM | Box Compass, 1836 = Atwater Kent Museum, Philadelphia, Pa. | maker and retailer of nautical instruments; established an observatory in 1820. | Philadelphia, Pa. | USNM; Moskowitz 104; RSW. | suggest correction |
| RIJSMA, A. | Holland, MIM | Orrery = Phillips 5/20/75. | Steijnmoller. | RSW. | suggest correction | |
| RIKER, J.L. AND D.J. | USA, c.1847, MIM PHIM | made an orrery and other astronomical instruments; prize winning magnetic apparatus shown at the American Institute Fair, Oct. 1847. | 78 Suffolk Street, New York, N.Y. | USNM. | suggest correction | |
| RILEY AND STEVENS | USA, PHIM | Stick Barometer = VNN. | New Orleans, La. | RSW. | suggest correction | |
| RIMMINGTON 1 | England, c.1850, PHIM | Wheel Barometer with Thermometer = Soth. 5/1/86. | Lubenham. | RSW. | suggest correction | |
| RIMMINGTON 2 | England, c.1850, PHIM | Wheel Barometer = Christie-SK 5/15/96. | Bradford. | RSW. | suggest correction | |
| RIMONDI, CHARLES | England, fl.1841-66, PHIM | Wheel Barometers = X (3). | watch and clockmaker; jeweler; made? and sold barometers; the wheel barometers are signed "C. Rimondi." | 1 Union Street (1837); 8 Waterhouse Street (1850-66); both in Halifax. | Goodison 1; Loomes. | suggest correction |
| RINALDINI | Italy, 17th Century, MIM | Quadrant = Geographical Institute, Florence. | RSW. | suggest correction | ||
| RING | Germany, c.1800, MIM OIM | Universal Equatorial Sundial = WHI. | microscope maker. | Berlin. | Bryden 16; Clay and Court; Dewhirst. | suggest correction |
| RINGELBERGH, JOACHIM STERCK VAN | Antwerp, fl.1499-1536, MIM | he was reported to have made a ring sundial. | Ringelberg. | Zinner 1. WEBDB. | suggest correction | |
| RINSEN, ANTHONY | Hollandfl.1748-65, MIM PHIM | Daumas listed him as English. | Leiden. | Daumas 1; Rooseboom 1. | suggest correction | |
| RINSEN, J. VAN | Holland, c.1750, PHIM | made air pumps. | Leiden. | Rooseboom 1. | suggest correction | |
| RIPARMENTI | France, c.1820, PHIM | Marine Barometer = D.(1983). | Bordeaux. | Wynter; RSW. | suggest correction | |
| RIPLEY AND SON | England, fl.1800-07, MIM NIM | Quintant = X.; Octants = X, VNN, Christie 4/3/85, Christie-SK 2/8/79, Fall River Historical Society, Mass.; Hadley Quadrant = P.C. | Thomas Ripley 1 and his son James Ripley; the octant offered by Christie-SK was misread as "Ripley and Sons." | 364 Hermitage Bridge Road, Wapping (1797); 335 High Street, Wapping (1805); both in London. | Taylor 2(760 & 1208); J. Brown 1; Clay and Court; RSW. | suggest correction |
| RIPLEY, JAMES | England, fl.1796-1828, MIM NIM | apprenticed to his father, Thomas Ripley 1, in the Grocers' Company, June 6, 1782; free in the Company April 7, 1796; partner with his father 1800-07; worked alone 1807-22; took apprentices after 1800. | 15 Warkworth Terrace, Commercial Road, Limehouse; 364 Hermitage Bridge Road, Wapping (1800-05); 352 High Street, Wapping (1805-22); 335 Hermitage Bridge Road, Wapping (1828); all in London. | Taylor 2(760 & 1208); J. Brown 1 & 2. | suggest correction | |
| RIPLEY, THOMAS (1), AND CO. | England, c.1790, MIM NIM | may be Thomas (1) and his son, James Ripley. | 364, near Hemitige Bridge, below the Tower, London. | Clay and Court. | suggest correction | |
| RIPLEY, THOMAS 1 | England, fl.1763-1807, MIM NIM OIM | Hadley Quadrants = PEA (1773), OMM (1775 & 1779), STK (1782), FRK (1770), Soth, 3/25/86; Octants = USNM, Pennsylvania Historical Society, Philadelphia, Pa.; Telescope, four-draw = Christie-SK 11/15/79. | apprenticed to John Gilbert 2 in the Grocers' Company on Dec. 5, 1755; free in the Company, April 12, 1763; took apprentices, including his son James Ripley; James was his partner from 1800 to 1807. | Baker's Building, New Broad Street (1763 & 1770); at the Globe Quadrant and Sectacles, near Hermitage Bridge below the Tower, Wapping (1765); 364 Hermitage Bridge, below the Tower (1773; all in london. | Taylor 2(760); J. Brown 1; Crawforth 1 & 7; Multhauf 1; USNM; D.J. Warner 10; RSW. | suggest correction |
| RIPLEY, THOMAS 2 | England, c.1778, | apprenticed to Thomas Ripley 1, his father, in the Grocers' Company on Sept. 10, 1778. | J. Brown 1. | suggest correction | ||
| RIPLEY, THOMAS 3 | England, pre-1813, MIM | Hakney. | RSW. | suggest correction | ||
| RIPLEY, THOMAS BRAND | England, c.1805, | apprenticed to James Ripley of the Grocers' Company in 1805; grandson of Thomas Ripley 1. | J. Brown 1. | suggest correction | ||
| RIQUET | France, MIM | Wall Sundial = Cie. du Canal du Midi, Toulouse. | see Maison Riguet. | Boursier. | suggest correction | |
| RIQUET, MAISON | France, MIM | Wall Sundial = house at Echirolles (Haute Garonne). | see Riquet. | Boursier. | suggest correction | |
| RISE, WILLIAM | England, c.1806, | apprenticed to John Symons of the Grocer's Company, July 3, 1806; turned over to John Lee, April 15, 1810. | London. | J. Brown 2. | suggest correction | |
| RISSO, JOHN 1 | Scotland, c.1783, PHIM | barometer and thermometer maker. | Saltmarket, Glasgow. | Bryden 3 & 10; Goodison 1. | suggest correction | |
| RISSO, JOHN 2 | England, c.1805, PHIM | Wheel Barometer = Lotherton Hall; Stick Barometer = Temple Newsham; both in Leeds. | Leeds. | Goodison 1; RSW. | suggest correction | |
| RITCHIE, ANDREW ELIOT | USA, 1878-1935, MIM NIM PHIM SIM | succeeded his father, Andrew Montgomery Ritchie, as head of the firm "Edward S. Ritchie and Sons", 1916-35. | Brookline, Mass. (1878-1935). | Smart 1. | suggest correction | |
| RITCHIE, ANDREW MONTGOMERY | USA, 1849-1916, MIM NIM PHIM SIM | joined his father, Edward S. Ritchie and his brothers, Thomas Pope and John Ritchie in Edward S. Ritchie and Sons, 1872-1916; his son Andrew Eliot Ritchie succeeded him. | New Bedford (1849); Boston (1850-86); Brookline (1886-1916); all in Mass. | Smart 1. | suggest correction | |
| RITCHIE, E.S., AND SONS | USA, fl.1886-1953, MIM NIM PHIM SIM | Edward S. Ritchie and Sons changed its name to E.S. Ritchie and Sons in 1886. | Boston, Mass. | Smart 1. | suggest correction | |
| RITCHIE, EDWARD S., AND SON | USA, fl.1866-67, MIM NIM PHIM | Edward Samuel Ritchie and his son, Thomas Pope Ritchie. | Boston, Mass. | Smart 1. | suggest correction | |
| RITCHIE, EDWARD S., AND SONS | USA, fl.1867-1937, MIM NIM PHIM SIM | Electrical machine = Searsport Historical Society, Me.; Liquid Compass = D.(19720. | Edward S. Ritchie and his sons, Thomas Pope and John Ritchie, 1867-72; after 1872 the youngest son, Andrew Montgomery Ritchie joined the firm; in 1886 the firm became E.S. Ritchie and Sons; Andrew's son, Andrew Eliot Ritchie ran the firm from 1916-35; T.S. and J.D. Negus bought the company in 1937 and sold it to the Sherman Brothers in 1953, they moved to Pembroke, Mass. at that time. | Boston (1867-86); Brookline (1886-1953); Pembroke (1953); all in Mass. | Smart 1; Moskowitz 104; RSW. | suggest correction |
| RITCHIE, EDWARD SAMUEL | USA, 1814-95, MIM NIM PHIM SIM | Marine Liquid Compasses = LOS, D.(1972), Maine Historical Society, Augusta, USNM. | worked with Ashur C. Palmer as Palmer and Ritchie, hardware, 1839-42; in business for himself, 1842-50, as a ship's chandler; from 1850-54 he worked with Nathan B. Chamberlain as Chamberlain and Ritchie, PHIMs; worked alone, 1854-62; then took John Kehew as partner as E.S. Ritchie and Co. until 1864; by 1866 the firm was E.S. Ritchie and Son, which see; E.S. Ritchie developed a liquid compass, adopted by the U.S. Navy. | Boston (1839-42), (1850-86); New Bedford (1842-49), Brookline 1886-95; all in Mass. | Smart 1; J.A. Bennett 2; Bedini 8; USNM; Moskowitz 103; RSW. | suggest correction |
| RITCHIE, JOHN | USA, 1844-1902, MIM NIM PHIM SIM | middle son of Edward S. Ritchie; joined his father and brother, Thomas Pope Ritchie, as Edward S. Ritchie and Sons in 1867. | New Bedford (1844-49); Boston (1849-86); Brookline (1886-1902); all in Mass. | Smart 1. | suggest correction | |
| RITCHIE, THOMAS POPE | USA, 1842-1914, MIM NIM PHIM SIM | worked with his father as Edward S. Ritchie and Son, 1866-67; his brother, John, joined them in 1867; in 1872 another brother, Andrew Montgomery Ritchie, entered the firm of E.S. Ritchie and Sons. | New Bedford (1842-50); Boston (1850-86); Brookline (1886-1914); all in Mass. | Smart 1. | suggest correction | |
| RITCHINGHAM | England, c.1790, NIM OIM | Sextant = NMM-S.35. | London. | Taylor 2(1033); NMM 2; RSW. | suggest correction | |
| RITTENHOUSE | USA, c.1780, MIM SIM | Surveyor's Compass = USNM | could be David or Benjamin Rittenhouse. | Philadelphia, Pa. | USNM. | suggest correction |
| RITTENHOUSE AND COMPY. | USA, MIM SIM | Surveyor's Compass = New Salem Park Museum, Il. | Smart thought this instrument was made by David Rittenhouse, c.1782, basing his opinion on the simplicity of the compass face; Forman felt it was made by Benjamin Rittenhouse and his son, David Rittenhouse 2. | Worcester Township, Pa. | Smart 1; B.R. Forman. | suggest correction |
| RITTENHOUSE AND EVANS | USA, fl.1798-1801, MIM SIM | Surveyor's Compasses = Pennsylvania Historical Society, Philadelphia, USNM. | Benjamin Rittenhouse and Benjamin Evans, his newphew and former apprentice. | Worcester Township, Pa. | Bedini 8; Smart 1; Coffeen A; USNM; B.R. Forman; RSW. | suggest correction |
| RITTENHOUSE AND POTTS | USA, fl.1796-98, MIM SIM | Surveyor's Compasses = D.(1982), D.(1996), APS, P.C., Winterthur Museum, Del. | Benjamin Rittenhouse and William Lukens Potts. | Worcester Township, Pa. | Multhhauf 1; Bedini 8; Smart 1; Coffeen A and 55; USNM; B.R. Forman; RSW. | suggest correction |
| RITTENHOUSE, BENJAMIN | USA, 1740-1825, MIM SIM | Surveyor's Compasses = Historical Society of Pennsylvania, Atwater Kent Museum and the Franklin Institute (1786) of Philadelphia Pa., Buffalo Historical Society, N.Y., USNM, P.C. (1790), ADL-A26 (1790), Valley Forge Historical Society Pa. (1790), GUR, Ohio State Museum, Columbus (1787), Henry Ford Museum, Dearborn Mich, D., Michigan Museum of Surveying, Lansing, etc. | brother of David Rittenhouse 1; clock and instrument maker; his dated works range from 1786 to 1792; bankrupt in 1801; see Rittenhouse and Evans. | Norriton, Pa.; Philadelphia, Pa. (1807-25) | Multhauf 1; Bedini 1 & 8; Smart 1; Coffeen 14, 21 and 26; USNM; B.R. Forman; Leiserowitz; ADL; RSW. | suggest correction |
| RITTENHOUSE, BENJAMIN AND J. THOMAS | USA, MIM SIM | Surveyor's Compass = D.(1978). | Antiques, June, 1978. | suggest correction | ||
| RITTENHOUSE, DAVID 1 | USA, 1732-96, MIM OIM SIM | Orreries = University of Pennsylvania, Princeton University, N.J.; Astronomical Clocks = USNM, APS; Zenith Telescope = USNM; Surveyor's Compasses = USNM, New York State Library, Albany, the Historical Society of Pennsylvania and the Germantown Historical Society both in Philadelphia, Pa., Historical Society of Montgomery County, Norristown, Pa., GUR; etc. | astronomer, clockmaker; F.R.S.; A.P.S.; built the first American observatory; brother of Benjamin Rittenhouse; the first two surveyor's compasses listed were made for George Washington. | Norriton Township, Pa. (1732-70); Philadelphia Pa. (1770-96). | Multhauf 1; Smart 1; Bedini 1 & 8; USNM; Rice; B.R. Forman; RSW. | suggest correction |
| RITTENHOUSE, DAVID 2 | USA, c.1800, MIM SIM | probably the son of Benjamin Rittenhouse; see Rittenhouse and Compy. | Worcester Township, Pa. | B.R. Forman. | suggest correction | |
| RITTER, FRANZ | Germany, fl.1609-40, MIM | Astrolabe, wood, 1613 (ICA-611) = Lüneburg Museum; Astrolabes = MAA (ICA-465), DEU (ICA-619). | author; wrote on the astrolabe; ICA-288 is a plate from Ritter's book on the astrolabe reproduced by Gunther in "Astrolabes of the World." | Nürnburg. | Zinner 1; Evans 1; Gunther 1; Price 1; ICA-2; RSW. | suggest correction |
| RITTLER, EUSTACH | Germany, 1826, MIM | Beam Compass, 1826 = AUG. | RSW. | suggest correction | ||
| RITTSON, J. | England, c.1820, PHIM | Stick Barometers = K. & C. 12/3//75, D.(1977). | the barometer offered by the dealer is of padouk wood and was signed "Rittson." | RSW. | suggest correction | |
| RIVA | Scotland, PHIM | Wheel Barometers = X (2). | could be A. (1), C., J., or M. Riva, which see. | Glasgow. | Goodison 1. | suggest correction |
| RIVA AND BEARELLI | England, PHIM | Wheel Barometer = Christie 1/26/90. | may be F. Riva, which see. | Reading. | RSW. | suggest correction |
| RIVA, A. 1 | Scotland, c.1823, PHIM | Wheel Barometer = X. | see Riva; carver, gilder. | 70 East High Street, Glasgow. | Goodison 1. | suggest correction |
| RIVA, A. 2 | England, PHIM | Wheel Barometer = X. | Marlborough. | Goodison 1. | suggest correction | |
| RIVA, C. | Scotland, PHIM | Stick Barometer = X. | Glasgow. | Goodison 1. | suggest correction | |
| RIVA, F. | England, PHIM | Wheel Barometer = X. | see Riva and Bearelli. | Reading. | Goodison 1; RSW. | suggest correction |
| RIVA, FERDINANDO | England, fl.1830-34, OIM PHIM | barometer maker. | 7 Watson Walk, Sheffield. | Goodison 1; Taylor 2(1979). | suggest correction | |
| RIVA, G. AND CO. | England, PHIM | Wheel Barometer = X. | Goodison 1. | suggest correction | ||
| RIVA, GIOVANNI | Italyc.1750, MIM SIM | Magnetic Compasses for plane tables = P.C., P.C. (1987); Compass box, 1750 = BM. | Venice. | Price 3; RSW. | suggest correction | |
| RIVA, J. | Scotland, OIM | Refracting Telescope = FRK, P.C. | RSW. | suggest correction | ||
| RIVA, J. AND M. | Scotland, fl.1825-60, PHIM | Wheel Barometers = X, D.(1976). | J. and Michael Riva; probably dealers in barometers. | 70 High Street (1825); 143 High Street (1826-50); 147 High Street (1850-57); 63 John Street (1857-60); all in Glasgow. | Goodison 1; RSW. | suggest correction |
| RIVA, MICHAEL | Scotland, c.1827, PHIM | Wheel Barometers = X, Soth. 2/28/80. | see J. and M. Riva; the barometers are signed "M. Riva Glasgow." | 143 High Street, Glasgow. | Goodison 1; RSW. | suggest correction |
| RIVA, P. | Scotland, 19th Century, PHIM | Wheel Barometers = X, Phillips 12/12/89. | Edinburgh. | Goodison 1; RSW. | suggest correction | |
| RIVA, P., AND CO. | Scotland, 19th Century, PHIM | Wheel Barometer = X. | Edinburgh. | Goodison 1. | suggest correction | |
| RIVA, S. | MIM | Compass = ROM | RSW. | suggest correction | ||
| RIVARD | France, c.1750, | author; wrote on sundials. | RSW. | suggest correction | ||
| RIVERS, JOHN | England, fl.1822-35, MIM | barometer maker. | Wind Street (1822); Goat Street (1830); High Street (1835); all in Swansea. | Goodison 1; Taylor 2(1980). | suggest correction | |
| RIVIERO, DIEGO | Spain, c.1523, MIM | made astrolabes, etc. | Seville. | Michel 3. | suggest correction | |
| RIVINGTON, JAMES | USA, c.1778, | advertised Peter Dollond's telescopes for sale, May, 1778. | New York, N.Y. | USNM. | suggest correction | |
| RIVOLTA 1 | Scotland, c.1844, PHIM | see Lilly and Rivolta 1; probably Stephen Lilly. | Bell 2. | suggest correction | ||
| RIVOLTA 2 | England, c.1820, PHIM | Wheel Barometer = D.(1987). | RSW. | suggest correction | ||
| RIVOLTA AND CO. | England, PHIM | Wheel Barometer = X. | Goodison 1. | suggest correction | ||
| RIVOLTA, A. 1 | England, PHIM | Wheel Barometers = X (3). | might be A. (2), Alex or Anthony Rivolta as no town is given. | Goodison 1. | suggest correction | |
| RIVOLTA, A. 2 | England, PHIM | Wheel Barometers = X (3), Soth. 7/21/83; Wheel Barometer, Thermometer and Hydrometer = Soth.-C 5/16/85. | may be A. Rivolta 1. | Chester. | Goodison 1; RSW. | suggest correction |
| RIVOLTA, ALEX | England, fl.1817-19, PHIM | Wheel Barometer = Soth. 5/14/87. | signed "A. Rivolta 32 Brook Street." | 11 Brook Street (1817-18); 32 Brook Street (1819); both in Holborn, London. | Goodison 1; RSW. | suggest correction |
| RIVOLTA, ANTHONY | England, fl.1822-61, PHIM | Wheel Barometer = Christie-SK 1/27/89. | also made thermometers and looking glasses; see A. Rivolta 1; the barometer is signed "A. Rivolta" 1 plus address. | 32 Brook Street, Holborn (1822-45); 21 Lower Calthorpe Street; both in London. | Goodison 1; RSW.. | suggest correction |
| RIVOLTA, D. 1 | PHIM | Wheel Barometer = X. | may be the same as D. Rivolta 2, which see. | Goodison 1. | suggest correction | |
| RIVOLTA, D. 2 | Scotland, PHIM | Wheel Barometer = RSM. | Edinburgh. | Goodison 1. | suggest correction | |
| RIVOLTA, F. 1 | England, PHIM | Wheel Barometer = X. | Macclesfield. | Goodison 1. | suggest correction | |
| RIVOLTA, F. 2 | England, PHIM | Stick Barometer = X. | Reading. | Goodison 1. | suggest correction | |
| RIVOLTA, F., AND CO. | England, c.1775, PHIM | Wheel Barometer = 1975 Auction Cat. | F. Rivolta (1) and Co. | Macclesfield. | RSW. | suggest correction |
| RIVOLTA, J., AND CO. | England, PHIM | Wheel Barometer = X. | might be F. Rivolta and Co. | Macclesfield. | Goodison 1; RSW. | suggest correction |
| RIVOLTA, L. | England, PHIM | Wheel Barometer = X. | Goodison 1. | suggest correction | ||
| RIVOTTA | England, | see Marzoratti and Rivotta; F. Rivolta 2 ? | Bell 2. | suggest correction | ||
| RIX, J. | England, fl.1750-60, MIM | Cometarium = USNM; Slide Rules = P.C., D.(1982); Slide Rule, 1758 = X. | watch and clockmaker; slide rule signed "Rix maker 1758" and marked "For the excise." | in Shrewsbury Court, in White Cross Street, near Cripplegate, London. | Taylor 2(530); A.J. Turner 10; Clay and Court; Coffeen F; RSW. | suggest correction |
| RIX, WILLIAM | England, c.1740, MIM | apprenticed to Thomas Cooke 1; made slide rules. | at the Mariner and Globe, facing the lower End of the Old Jewry, London. | Darius 2. | suggest correction | |
| RIZAUD | France, | instrument maker. | Paris. | Evans 1. | suggest correction | |
| RIZZI, A. | England, PHIM | T.C. on the back of a wheel barometer. | RSW. | suggest correction | ||
| RIZZO, DOMENICO | Italy, 17th Century, MIM | Boxed Magnetic Compass = ADL-M224. | the name is on the lid of the box, together with the figure of a man; might well be the name of the owner. | Michel 3; Engelmann 1; ADL; RSW. | suggest correction | |
| ROACH AND WARNER | USA, fl.1837-42, MIM PHIM SIM | Surveyor's Compasses = ADL-A118, P.C. | John Roach and Henry Warner; they were partners from 1837 to 1842. | 293 Broadway, New York, N.Y. | Smart 1; USNM; ADL; RSW. | suggest correction |
| ROACH, JOHN | Ireland; USA, 1813-91, MIM OIM PHIM SIM | Surveyor's Compasses = Mackay School of Mines, Reno, Nev., Michigan State University Museum, East Lansing, P.C.; Y-Level = USNM. | worked alone in New York from 1833 to 1837 and again from 1843 to 1861; worked with Warner as Roach and Warner from 1837 to 1842; worked with Joseph Charles Sala from 1861 to 1891 when Sala succeeded him. | Cork (1813-33); 116 White (1833-35); 3 Wall Street (1836-37); 293 Broadway (1837-42); 72 Nassau (1842-43); the last five all in New York, N.Y; 720 California Stret (1855-90); 429 Montgomery Street (1891); last two in San Francisco, Cal. | Smart 1; USNM; RSW. | suggest correction |
| ROACH, L. | USA, c.1850, PHIM | Barometer = Nat'l Air and Space Museum, Washington, D.C. | New York, N.Y. | USNM. | suggest correction | |
| ROBB, WILLIAM | Scotland, fl.1776-1816, PHIM | Angle Barometers = X (2), D.(1963) (2). | one of the X barometers is also marked "David Milne, Carnbegg" and was possibly made by B. Knie; Robb is listed as a clockmaker. | Montrose. | Goodison 1 & 5; RSW. | suggest correction |
| ROBBINS, J. AND C. | England, 19th Century, OIM | Microscope = Phillips 10/26/83. | 9 Bartholomew Close, London. | RSW. | suggest correction | |
| ROBELOU, ISAAC | England, c.1719, PHIM | Stick Barometer, 1719 = KEN. | London. | Goodison 1; McConnell 1. | suggest correction | |
| ROBEQUI, JOSEPH MARIE | France, c.1775, | invented a plotting protractor which was made by Jules Borromei in 1775, ADL-M98. | Daumas 1; Michel 3; Engelmann 1; ADL; RSW. | suggest correction | ||
| ROBERT | France, c.1840, PHIM | Barometer = Versailles 11/20/83. | signed "Robert opticien" with address. | passage Saint-Pierre, N. 4, Versailles. | RSW. | suggest correction |
| ROBERT DE VAUGONDY | France, fl.1645-50, MIM | Planetarium, 1650 = ROU-61. | author of book published in 1645; surely related to Gilles and Didier Robert de Vaugondy, which see. | Paris. | RSW. | suggest correction |
| ROBERT DE VAUGONDY, DIDIER | France, 1723-86, MIM | son of Gilles Robert de Vaugondy and worked with him; made armillary spheres and globes. | Paris. | Yonge; Michel 3. | suggest correction | |
| ROBERT DE VAUGONDY, GILLES | France, 1688-1766, MIM | Terrestrial Globe, 1750 = CNAM; Pair of Globes = VNN. | father of Didier Robert de Vaugondy who worked with him in producing maps, globes and atlases; grandson of Nicolas Sanson; the VNN terrestrial globe was corrected by Delamarche in 1787. | Paris. | Yonge; Michel 3; RSW. | suggest correction |
| ROBERT OF CHESTER | England, c.1140, MIM | Chester. | Gunther 3. | suggest correction | ||
| ROBERT, HENRI 1 | France, 17th Century, MIM | Diptych Sundial, ivory = ROU-103. | Marseilles. | Michel 3; RSW. | suggest correction | |
| ROBERT, HENRI 2 | see MM. de Peyronny et Henri Robert. | ADL; RSW. | suggest correction | |||
| ROBERT, HENRY | France, 1833, MIM | Astronomical Demonstration Device = D.(1985); Horizontal Sundial = Wray-102; Pillar Sundials in cardboard tubes with the equation of time scales = ADL-N27, TIM, WHI(FIT), CHF, BM, NMM, CNAM, WUP, Cranbrook Institute of Science, Mich., D.(1997), Soth. 12/12/55, Gersaint, La Rochelle 7/20/96; etc. | "Horloger de la Marine, Breveté S.G.D.G"; D. pillar dial signed "Horloger de la Reine"; pupil of Breguet; advertisement in La Gazette de France (1833) (Price Coll.); Gersaint is for 46°; pillar dials sold for 5 francs | au Palais Royal, No. 164 au p/er (anci/ne maison Laresche); Rue du Coq St. Honoré, No. 8; both in Paris. | Bryden 16; Michel 3; USNM; MADEX; Dewhirst; NMM 2; Coffeen 56; ADL; RSW. | suggest correction |
| ROBERT, JONA FRANCIS | Holland, fl.1783-86, | made the ecliptic circle for the orrery by Eeckhout. | Middleburg. | Mörzer Bruyns 2. | suggest correction | |
| ROBERT, MASTER | France, 1377, MIM | sundial maker; made an almanac for the Duke of Burgundy in 1377. | Dijon. | A.J. Turner 10. | suggest correction | |
| ROBERT, THEODORE | England, NIM | Sextant = D.(1976). | 34 Strand Street, Liverpool. | RSW. | suggest correction | |
| ROBERTS 1 | England, PHIM | Wheel Barometer = X. | Stonehouse. | Goodison 1. | suggest correction | |
| ROBERTS 2 | England, NIM | see Simpson and Roberts. | 34 Strand Street, Liverpool. | RSW. | suggest correction | |
| ROBERTS, EDWARD 1 | England, fl.1742-85, MIM | Slide Rules = P.C. (1754), (1755), Christie 12/14/89 (pre-1758). | apprenticed to Thomas Cooke 1 in the Joiners' Company on April 3, 1733; free in the Company, April 6, 1742; took apprentices; Christie slide rule carries owner's name and date, "Edward Dawson. Mansfield. 1758." | Old Jewry (1749-57); Dove Court, Old Jewry (1778-82); both in London. | Crawforth 7; Delehar 2; RSW. | suggest correction |
| ROBERTS, EDWARD 2 | England, fl.1785-96, MIM | Slide Rule, Everard-type, wood, 1791 = X; Slide Rule, three slides, wood = ADL-N37, Christie-SK 6/2/83; Gauging Slide Rule, Verie-type, wood = X; Slide Rule, four slides, wood = D.(1991). | apprenticed to his father, Edward Roberts 1, in the Joiners' Company on July 19, 1763; free of the Company, May 3, 1785. | (at his father's) 3 Dove Court, Old Jewry (1785); Grocer's Alley; both in London. | Taylor 2(1034); Crawforth 7; Bryden 9; Clay and Court; Darius 2; Delehar 9; Gemmary III; ADL; RSW. | suggest correction |
| ROBERTS, GEORGE | England, c.1765, | apprenticed to his father, Edward Roberts 1, in the Joiners' Company on Oct. 29, 1765. | Crawforth 7. | suggest correction | ||
| ROBERTS, HENRY | England, c.1834, OIM | 48 Inge Street, Birmingham. | Taylor 2(1981). | suggest correction | ||
| ROBERTS, JONATHAN | England, fl.1681-1727, MIM | apprenticed to Joseph Howe in the Broderers' Company; free of the Company, Feb. 3, 1681; took apprentices. | at a Cookes against ye Red Cross in East Smithfield (1681); Fleet Street (1700); both in London. | Crawforth 7; J. Brown 1. | suggest correction | |
| ROBERTS, RICHARD | England, 18th Century, PHIM | balance maker. | Bartholomew Lane, near the Royal Exchange, London. | Taylor 2(1036). | suggest correction | |
| ROBERTS, SAMUEL | England, fl.1755-1800, MIM | Sundials = Churchyards at Llonbrynmair, Llanfair Caereimion, and Manafan, Mont. | Llanfair Caereinion. | Peate. | suggest correction | |
| ROBERTS, THOMAS | England, pre-1864, OIM | Telescope = D.(1989). | 3 Strand Street, Liverpool. | Rinaldi 23. | suggest correction | |
| ROBERTS, WILLIAM 1 | England, fl.1700-21, MIM | apprenticed to Jonathan Roberts in the Broderers' Ccompany on July 2, 1688; free in the Company, Feb. 3, 1700; took apprentices. | London. | Crawforth 7. | suggest correction | |
| ROBERTS, WILLIAM 2 | England, c.1773, | apprenticed to Edward Roberts 1 (his grandfather?) in the Joiners' Company on Sept. 7, 1773. | Crawforth 7. | suggest correction | ||
| ROBERTS, WILLIAM 3 | England, fl.1822-41, MIM | made rules of boxwood and ivory. | 21 West Bar, Sheffield. | Taylor 2(1686); Crawforth 6. | suggest correction | |
| ROBERTSON, DR. | England, pre-1830, | patented an improvement for the marine barometer; an example is in the VNN. | London. | RSW. | suggest correction | |
| ROBERTSON, JOHN | England, 1712-76, MIM | Table Sundial = Versailles 4/17/83. | invented an improved slide rule; F.R.S.; author of book on mathematical instruments, London, 1775. | Christ's Hospial, London (1748); Portsmouth Naval Academy (1755-66). | Taylor 2(300). | suggest correction |
| ROBERTSON, R. | NIM | Octant = Brown University, Providence, R.I. | USNM. | suggest correction | ||
| ROBERTSON, WILLIAM | Scotland, fl.1730-60, OIM | Compound Microscopes = Clerk of Penicuik family (2), RMS, WHI, Earl of Bute (1783). | the Earl of Bute's microscope was signed "Gul. R. fecit." | Edinburgh. | Bryden 4. | suggest correction |
| ROBERVAL | see Gilles Personne. | RSW. | suggest correction | |||
| ROBIJN, JACOB | Holland, 1679, NIM | partner with Johannes van Keulen 1 in 1679; is he the same person as Jacobus Robijn? | Amsterdam. | Mörzer Bruyns 2. | suggest correction | |
| ROBIJN, JACOBUS | Holland, c.1649-1701, NIM | made cross-staves, 1688; succeeded by Joachim Hasebroek | Nieuwebrugsteeg, Amsterdam. | Mörzer Bruyns 2. | suggest correction | |
| ROBILOU, ISAAC | England, 1719, PHIM | Stick Barometer, 1719 = X. | London. | Tyler. | suggest correction | |
| ROBIN, ROBERT | France, 1742-1809, MIM PHIM | Meridian Sundial, 1789 = CNAM; Wheel Barometer, with clock = Chelsea Fair. | "Horloger du Roy." | au Galleries du Louvre, Paris. | Ithaca; RSW. | suggest correction |
| ROBINS, JOH. | England, c.1700, MIM | Compass Sundial = D.(1989) = ADL-A289. | "I.R." (2) (which see) is punched into the hour scale. | Coffeen 25; ADL; RSW. | suggest correction | |
| ROBINSON | England, c.1850, PHIM | Stick Barometer = Soth.-S 4/24/87. | see Robinson Bros. | 53 Bishopsgate Street, London. | RSW. | suggest correction |
| ROBINSON AND BARROW | England, fl.1842-45, PHIM | Thomas Charles Robinson and Henry Barrow; Barrow bought Robinson's business in 1842, after Robinson's death. | 38 Devonshire Street, Portland Place (1842); 26 Oxendon Street, Haymarket (1843); both in London. | Chaldecott 3; RGO. | suggest correction | |
| ROBINSON BROS. | England, c.1850, OIM PHIM | Telescope = Soth.-N.Y. 2/23/79. | see Robinson. | 53 Bishopsgate Street, London and Market Square, Shrewbury. | RSW. | suggest correction |
| ROBINSON, B.C. | England, c.1854, MIM | T.C.; made chronometers. | Middlesborough. | Crawforth 1. | suggest correction | |
| ROBINSON, BURNHAM AND CO. | USA, c.1831, MIM | watchmakers. | Danvers, Mass. | Smart 1. | suggest correction | |
| ROBINSON, DANIEL | England, 19th Century, PHIM | Money Balance = Versailles 4/17/83; Wheel Barometer = Phillips-Leeds 12/16/87. | Bradford. | RSW. | suggest correction | |
| ROBINSON, H. | England, c.1860, PHIM | Stick Barometer = Soth.-S 1/25/89. | South Shields. | RSW. | suggest correction | |
| ROBINSON, HENRY | England, c.1733, MIM | apprenticed to Richard Hutchinson 2 of the Clockmakers' Company on March 3, 1724; free in the Company, June 4, 1733. | J. Brown 3. | suggest correction | ||
| ROBINSON, JAMES | Ireland, fl.1845-84, OIM | optician; philosophical artist; firm was called James Robinson and Sons from 1885 to 1910. | Museum of Curiosities, 41 Grafton Street (1845); Polytechnic Museum and Gallery of Curiosities, 65 Grafton Street (1846-55); Poltechnic Museum and Photographic Gallery (1856-84); all in Dublin. | Morrison-Low and Burnett. | suggest correction | |
| ROBINSON, JAMES, AND SONS | Ireland, fl.1885-1910, OIM | Dublin. | Morrison-Low and Burnett. | suggest correction | ||
| ROBINSON, JOHN 1 | England, c.1743, MIM | see (Thomas) Crosby and (John) Robinson (1); they split up in 1743; T.C. | Dock Hed, Redriff (1743); London. | Crawforth 1. | suggest correction | |
| ROBINSON, JOHN 2 | England, c.1761, MIM | apprenticed to Henry Craford in the Grocers' Company on Oct. 4, 1753; free in the Company, Mar. 3, 1761. | at Mr. Craford's, Ratcliff Highway, London. | J. Brown 1. | suggest correction | |
| ROBINSON, JOHN 3 | Ireland, fl.1791-95, MIM | 4 Drogheda Street (1791-92); 21 Hawkin's Street (1794-95); all in Dublin. | Morrison-Low and Burnett. | suggest correction | ||
| ROBINSON, L. | England, MIM SIM | Surveyor's Compass = Naval Training Center Historical Museum, Cal. | Liverpool. | USNM. | suggest correction | |
| ROBINSON, THOMAS CHARLES | England, 1792-1841, MIM NIM PHIM SIM | Mountain Barometer = X; Dip Circle = RGO; Balances = WHI, RSM, Cambridge University Mining Dept.; Theodolite, miniature = Yorkshire Museum, York; Universal Instrument, 1857 = BRO. | developed a type of beam balance; made rock crystal prisms; Henry Barrow bought the business in 1842 and continued it as Robinson and Barrow. | 38 Devonshire Street, Portland Place, London. | Taylor 2(1687); Goodison 1; USNM; Bryden 8; G.L'E. Turner 24; Stock 1; Dewhirst; Darius 4. | suggest correction |
| ROBINSON, THOMAS ROMNEY | England, 1792-1882, | Rev. Dr. Robinson; invented the windmill-type anemometer in 1846. | G.L'E. Turner 24. | suggest correction | ||
| ROBOTHAN, WALTER | England, | T.C.; sold instruments. | at the Red M and Dagger in Pope's Head Alley against the Royal Exchange in Cornhill, London. | Crawforth 1. | suggest correction | |
| ROCCHETTI, PAOLO | Italy; England, fl.1840-77; d.1897, MIM PHIM SIM | Compass, 1857 = Padua University. | showed in the Great Exhibition of 1851 in London. | Padua (Austria) (1851); London (1851); Florence (1861). | G.L'E. Turner 24; Brenni 1. | suggest correction |
| ROCHEL, HANS T. | misreading for Troschel. | Pugsley Sale. | suggest correction | |||
| ROCHET | see Rochette, Gaspard. | RSW. | suggest correction | |||
| ROCHETTE | France, c.1820, PHIM | Barometer = Nouveau Drouot 5/20/88. | Rochette Jeune ? | Quais de l'Horloge, No. 81, Paris. | RSW. | suggest correction |
| ROCHETTE JEUNE | France, c.1820, MIM SIM | Graphometers = P.C. (1979), P.C. (1987), Libert and Castor 4/28/82; Clinometer = D.(1973); Surveying Instrument = P.C. (1987); Miner's Compass = P.C. (1987). | probably the son of Gaspard Rochette. | au Griffon, Quai de l'Horloge, Paris. | Wynter and Turner; Wynter; RSW. | suggest correction |
| ROCHETTE, GASPARD | France, 1754-1805, MIM OIM SIM | Surveyor's Circle = D.(1973); Telescopes = P.C., D.(1967; Sectors = P.C., Drouot 11/7/75; Rule = P.C.; Square, folding (metric scale) = Christie 4/3/85; Graphometer = Drouot Richelieu 4/28/88. | probably the father of Rochette jeune; graphometer is signed "Rochet"; see Rochette père. | Quay du Nord (1794); Quay de l'Horloge du Palais N.60; 49 Quay de l'Horloge (1805); all in Paris. | Daumas 1; USNM; Wynter; Maddison 1; RSW. | suggest correction |
| ROCHETTE, PERE | France, OIM | Telescope = Versailles 11/19/78. | Rochette père; may be Gaspard Rochette. | Paris. | RSW. | suggest correction |
| ROCHON | France, c.1790, MIM OIM | developed a micrometer for telescopes. | A.J. Turner 10. | suggest correction | ||
| RODELLA, GIOVANNI BATTISTA | Italy, 1749-1834, MIM PHIM SIM | Telescopic Level = ADL-M191; Alidade = NMM; Compass, 1814 = Padua University. | clockmaker; appointed mechanician to the Specola di Padova, 1794-1802; the ADL instrument is marked "Regio Machinista Padua." | Venice; Padua (1794). | Michel 3; NMM 1; Engelmann 1; Brenni 1; ADL; RSW. | suggest correction |
| RODELLA, GIUSEPPE | Italy, fl.1595-1620, | instrument maker. | Padua. | Evans 1. | suggest correction | |
| RODGERSON, W. | England, NIM PHIM | Marine Barometer = X. | T.C.; manufacturer of nautical instruments; printer. | 10 St. James Street, Liverpool. | Goodison 1; RSW. | suggest correction |
| RODGERSON, WILLIAM | England, fl.1835-90, MIM OIM | Chathan Buildings, Liverpool. | Taylor 2(2222); Crawforth 6. | suggest correction | ||
| RODRIGAS | Spain, OIM | Telescope = Observatory, Madrid. | Madrid. | RSW. | suggest correction | |
| RODRIGUEZ, FULGENCIO | Spain, fl.1805-06, NIM | Sextant, 1805 = MAN-I 121; Sextant = MAN-I 25; Sextant, 1806 = Christie-SK 10/23/87. | Ferrol. | Garcia Franco 1; RSW. | suggest correction | |
| ROE 1 | England, PHIM | Wheel Barometer, with watch = Soth.-S 9/18/86. | the watch movement is signed "Wm. Sharpe, London." | Midhurst. | RSW. | suggest correction |
| ROE 2 | England, c.1850, PHIM | Wheel Barometer = Soth. 6/27/88. | Godalming. | RSW. | suggest correction | |
| ROE, JOSEPH ADOLPHUS | England, fl.1855-60, PHIM | Wheel Barometer = X. | the barometer is signed "J. Roe Ipswich"; watch and clockmaker. | Tacket Street, Ipswich. | Goodison 1 | suggest correction |
| ROELOFS AND RIENKS | Holland, c.1825, MIM OIM | microscope and telescope makers; Arjen Roelofs and Syds Johannes Z. Rienks. | Friesland. | Dewhirst. | suggest correction | |
| ROELOFS, ALBERT | Holland, 1745-1809, OIM | brother of Pieter and Arjen Roelofs. | Hijum. | Rooseboom 1. | suggest correction | |
| ROELOFS, ARJEN | Holland, 1754-1828, MIM OIM PHIM | brother of Albert and Pieter Roelofs; worked with Syd Johannes Z. Rienks as Roelofs and Rienks, 1825; made microscopes and barometers, also made a cometarium and a jovilabium. | Hijum. | Rooseboom 1. | suggest correction | |
| ROELOFS, PIETER | Holland, 1742-1801, MIM OIM | brother of Albert and Arjen Roelofs. | Hijum. | Rooseboom 1. | suggest correction | |
| ROEMER, OLAUS | Denmark; France, 1644-1710, MIM OIM PHIM | astronomer; built one of the first transit telescopes; constructed planispheres, a saturnilabium, a jovilabium (1673), while in Paris; produced standard thermometers (1702); | Copenhagen; Paris (c.1679); Copenhagen. | Cohen 2; North 2; G.L'E. Turner 24; A.J. Turner 10; Drekker; RSW. | suggest correction | |
| ROGER, MARK | England, c.1814, | developed a new slide rule for compounding interest. | G.L'E. Turner 24. | suggest correction | ||
| ROGERS, J. | England, fl.1755-1828, OIM | wrote on telescopes. | Taylor 2(532). | suggest correction | ||
| ROGERS, MARK | England, fl.1716-37, MIM | apprenticed to John Crooke 1 in the Joiners' Company on May 7, 1706; free in the Company Aug.7, 1716; took apprentices. | Long Walk, London.(1737). | Crawforth 7. | suggest correction | |
| ROGERSON AND CO. | England, NIM | Octant = OMM. | 11 South Lombard Street, Liverpool. | RSW. | suggest correction | |
| ROGET, PETER MARK | England, 1779-1869, | physician and scholar; invented the log-log scale for the slide rule in 1815; F.R.S. in 1815; published the Thesaurus in 1852. | Manchester (1798-1810); London. | DNB; Delehar 9; A.J. Turner 10. | suggest correction | |
| ROHDE, F., ET FILS | Russia, c.1850, MIM OIM | Gunner's Square = P.C. | "opticiens et mecaniciens." | St. Petersburg. | RSW. | suggest correction |
| ROHLEIN, CHRISTOFF | Germany, 1680, MIM | Astronomical Compendium, 1680 = P.C. | Christoff Röhlein. | Dresden. | Pippa. | suggest correction |
| ROHR, NIELS | see Niels Rohr Bangs. | RSW. | suggest correction | |||
| ROIAS, JUAN DE | Belgium; France, c.1550, | pupil of Gemma Frisius; invented a new projection for the astrolabe; author of "Commentarium in Astrolabium", Lutetia, 1550. | Louvain; Paris (1550). | Michel 2 & 3; Maddison 1 & 7; Gunther 1; Perry. | suggest correction | |
| ROLANDS, J. | England, PHIM | Wheel Barometer = X. | Goodison 1. | suggest correction | ||
| ROLAS VAN VRIES, J. | Holland, 1642, MIM | Astrolabe, 1642 = X. | Amsterdam. | Michel 2. | suggest correction | |
| ROLFE, SAMUEL | England, c.1700?, MIM | Compass Sundials = OXF, ADL-W237, Christie 12/18/74 = Christie 4/9/75. | the compass sundial ADL-W237 is marked "S.R." (1) at the east point of the compass rose; "1742" scratched on bottom of hour scale; see Samuel Rolt. | London. | Taylor 1(448); Gunther 2; Michel 3; Evans 1; ADL; RSW. | suggest correction |
| ROLL, GEORG | Germany, fl.1560-92, MIM | Celestial Globe with clockwork, 1588 = VIE. | made clockwork globes with Johannes Reinhold; worked for Rudolph II; see the entry for Georg Roll und Johannes Reinhold. | Augsburg. | Zinner 1; Michel 3. | suggest correction |
| ROLL, GEORG, UND JOHANNES REINHOLD | Germany, fl.1584-86, MIM | Celestial Globes with clockwork = VAA (1584), DRE (1586), Naples Observatory (1586), GEL; Astronomical Clocks = VAA (1576), VIE (1584). | worked for Rudolph II. | Augsburg. | Zinner 1; Grimaldi; RSW. | suggest correction |
| ROLOSON, WILLIAM | England, c.1698, | as an apprentice, turned over to Joseph Wells in the Joiners' Company from William Dixon in 1690; turned over to Michael Savage in 1696 or later; both members of the Joiners' Company; free of the Company, 1698. | Crawforth 7. | suggest correction | ||
| ROLT, SAMUEL | England, c.1714, MIM | apprenticed to John Johnson 3 of the Grocers' Company on June 19, 1714; probably Samuel Rolfe, which see. | J. Brown 1; ADL; RSW. | suggest correction | ||
| ROM:KAY:MAY: | Austria, 1709, MIM | Inclinometer, 1709 = VIT. | Salzburg. | Kirnbauer 1. | suggest correction | |
| ROMANS, BERNARD | USA, fl.1720-84, | made improvements to the marine compass, 1733; geographer and cartographer. | Bedini 8. | suggest correction | ||
| ROMLEY, CHRISTOPHER | England, c.1750, | founder; T.C. | at the Sign of the Three Bells in Horse-Shoe Alley, Middle Moorfields, London. | Crawforth 1. | suggest correction | |
| RON, ANDREAS | Germany, 1572, MIM | Astronomical Clock, 1572 = X. | Augsburg. | Neumann 1. | suggest correction | |
| RONCHATE, BAPTIS | England, PHIM | Double Barometer = OXF. | probably Giovanni Battista Ronchetti, which see. | Goodison 1 and 5. | suggest correction | |
| RONCHETI | England, c.1800, PHIM | Stick Barometer = Soth. 10/22/87. | signed "Roncheti fecit." | RSW. | suggest correction | |
| RONCHETI AND GATTY | England, c.1790, PHIM | Wheel Barometers = X, D.(1965), D.(1990). | might have been Bapt. Roncheti or J.M. Ronketti and James Gatty; the dealer's barometer was signed "Ronchetti and Gatty." | London. | Goodison 1. | suggest correction |
| RONCHETI, BAPT. | England, c.1780, PHIM | Stick Barometers = X (4), Soth. 1/19/73, Daggett House, Edgartown, Mass.; Double Barometer = D.(1971); Wheel Barometers = Soth.-Bearne 4/4/78, Soth. 10/22/87. | probably Giovanni Battista Ronchetti, which see; one barometer signed "B. Roncheti Manchester"; another "Bap. Roncheti, 15 High Street, Manchester"; two are signed "Bapt. Ronchetti"; Soth. 10/22/87 is signed "Bapt. Roncheti Fecit." | 15 High Street, Manchester. | Goodison 1; RSW. | suggest correction |
| RONCHETI, BAPT., AND CO. | England, PHIM | Angle Barometer = Gloucester Museum; Stick Barometers = X (2). | probably Giovanni Battista Ronchetti. | Goodison 1. | suggest correction | |
| RONCHETI, T. | England, PHIM | Stick Barometer = X. | Bristol. | Goodison 1. | suggest correction | |
| RONCHETTI 1 | England, PHIM | Wheel Barometer = X. | could be either Edmund or Thomas Ronchetti. | Exeter. | Goodison 1. | suggest correction |
| RONCHETTI 2 | England, c.1780, PHIM | Wheel Barometers = X, Soth. 4/22/88; Stick Barometer = D.(1965). | could be by J. (1 or 2), John B., or Joshua Ronchetti 1; Goodison favored the latter for the X wheel barometer. | 43 Market Street, Manchester. | Goodison 1; RSW. | suggest correction |
| RONCHETTI 3 | see P. Martinelli, Ronchetti and Co. | Goodison 1. | suggest correction | |||
| RONCHETTI AND SON | England, fl.1836-39, PHIM | may be John Ronchetti and Son; succeeded by Joseph Somalvico 2 in J. Somalvico and Co. | 2 Hatton Garden, London. | Goodison 1. | suggest correction | |
| RONCHETTI, BAPST., LOMAS AND CO. | England, c.1800, PHIM | Stick Barometer = Soth. 6/4/92. | surely Baptiste Roncheti, which see. | Manchester. | RSW. | suggest correction |
| RONCHETTI, CHARLES JOSHUA | see Joshua Ronchetti 1. | Goodison 1. | suggest correction | |||
| RONCHETTI, EDMUND | England, PHIM | barometer maker. | Waterbeer Street, Exeter. | Goodison 1. | suggest correction | |
| RONCHETTI, J. 1 | England, PHIM | Stick Barometer = RSM. | optician; probably Joshua Ronchetti 1 or 2. | Manchester. | Goodison 1. | suggest correction |
| RONCHETTI, J. 2 | England, 19th Century, PHIM | Wheel Barometers = X, Phillips 12/17/89. | J. Ronchetti 1 and 2 may be the same man. | Victoria Street, Manchester. | Goodison 1; RSW. | suggest correction |
| RONCHETTI, JOHN | Italy; England, fl.1836-38, PHIM | barometer maker. | 25 Hatton Garden, London. | Taylor 2(2223); Goodison 1. | suggest correction | |
| RONCHETTI, JOHN B. AND JOSHUA (2) | England, fl.1841-51, OIM PHIM | John Baptist Ronchetti and his brother, Joshua Ronchetti 2; sons of Joshua Ronchetti 1; they were succeeded by their brother-in-law, Joseph L. Casartelli in 1851. | 43 Market Street, Manchester. | Goodison 1. | suggest correction | |
| RONCHETTI, JOHN BAPTIST | England, 1812-80, OIM PHIM | son of Joshua Ronchetti 1; he worked with his brother, Joshua Ronchetti 2 from 1841 to 1851; hydrometer and thermometer makers; they were succeeded by Joseph L. Casartelli who married their sister. | 9 Cambridge Street, Golden Square; 43 Market Street; both in Manchester. | Goodison 1; USNM. | suggest correction | |
| RONCHETTI, JOSHUA 1 | Italy; England, fl.1817-41, MIM OIM PHIM | Mathematical Instrument Set = Soth. 10/28/63; Wheel Barometer = X; Stick Barometer = VCW; Azimuth Compass = P.C. (1982). | full name was Charles Joshua Ronchetti; son of Giovanni Battista Ronchetti; father of John Baptist and Joshua (2) Ronchetti. | 29 Balloon Street (1817); St. Anns Passage (1829); Cateaton Street (1830); 43 Market Street (1832-41); all in Manchester. | Taylor 2(1689); Goodison 1; RSW. | suggest correction |
| RONCHETTI, JOSHUA 2 | England, fl.1841-51, OIM PHIM | Wheel Barometer = Soth. 7/21/87. | son of (Charles) Joshua Ronchetti 1; worked with his brother John Baptist Ronchetti, 1841 to 1851. | 43 Market Street, Manchester. | Goodison 1; RSW. | suggest correction |
| RONCHETTI, THOMAS | England, fl.1822-56, PHIM | optician; barometer maker. | New Bridge Street (1822); 4 Mount Pleasant, Black Boy Road (1830); Black Boy Road (1850-56); all in Exeter. | Goodison 1. | suggest correction | |
| RONCHETY, I. AND M. | England, PHIM | Stick Barometer = X. | probably John Merry Ronketti | Goodison 1. | suggest correction | |
| RONCI | England, PHIM | Wheel Barometer = X. | London. | Goodison 1. | suggest correction | |
| RONCORONE, FRA. | England, PHIM | Stick Barometer = X. | London. | Goodison 1. | suggest correction | |
| RONDELET | France, 1789, | instrument maker at PBN. | Evans 1?; RSW. | suggest correction | ||
| RONDINI, JEAN | England, c.1815, OIM | held a patent on dioptric telescopes. | London. | Dewhirst. | suggest correction | |
| RONKETTI | England, c.1825, PHIM | Stick Barometer = D.(1977). | Manchester. | RSW. | suggest correction | |
| RONKETTI AND CO. | England, PHIM | see John Merry Ronketti. | Goodison 1. | suggest correction | ||
| RONKETTI, B. | England, PHIM | Wheel Barometer = X. | see Bapt. Roncheti. | Manchester. | Goodison 1. | suggest correction |
| RONKETTI, J. AND M. | England, c.1815, PHIM | Wheel Barometer = X.; Stick Barometer = Soth. 7/16/76. | misreading for John Merry Ronketti. | 6 Peter Street, Bloomsbury, London. | Goodison 1; RSW. | suggest correction |
| RONKETTI, J.G.H. | England, fl.1845-46, PHIM | Stick Barometer = X; Wheel Barometer = D.(1975). | the stick barometer is signed "I.G.H. Ronketti, 15 Museum Street, Bloomsbury"; see John Ronketti 1 at that address. | 102 St. Martins Lane (1845); 116 Great Russell Street (1845); 19 Leather Lane (1846); 15 Museum Street; all in London. | Goodison 1; RSW. | suggest correction |
| RONKETTI, JOHN 1 | England, fl.1823-44, PHIM | barometer and thermometer maker; see J.G.H. Ronketti; became a partner with Henry Negretti, c.1840. | 15 Museum Street, Bloomsbury, London. | Taylor 2(2224); Goodison 1; Middleton 1. | suggest correction | |
| RONKETTI, JOHN 2 | USA, c.1850, PHIM | may be related to Joshua Ronchetti 1 or 2 of Manchester; see John George Ronketti. | New York, N.Y. | D.J. Warner 5. | suggest correction | |
| RONKETTI, JOHN GEORGE | England; USA, fl.1820-53, MIM NIM PHIM | may be John Ronketti 2, which see; New York business directory for 1852-53 showed him as an instrument maker. | 8 Back Hill, Hatton Garden (1822); Leather Lane; both in London; New York, N.Y. (1852-53). | Taylor 2(1690a); Goodison 1; USNM; Middleton 1. | suggest correction | |
| RONKETTI, JOHN MERRY | Italy; England, fl.1790-1819, PHIM | Wheel Barometers = Longleat House, X, Soth. 11/20/70 and 6/6/75; Stick Barometer = Soth. 7/6/73. | 180 Holborn (1790-97); 6 Peter Street, Bloomsbury (1800-19); both in London. | Goodison 1; RSW. | suggest correction | |
| RONKETTI, JOSEPH 1 | England, fl.1820-22, PHIM | barometer maker. | 8 Back Hill, Hatton Garden, London. | Taylor 2(1690). | suggest correction | |
| RONKETTI, JOSEPH 2 | England, fl.1854-60, PHIM | barometer and thermometer maker. | 31 Northampton Road, London. | Goodison 1. | suggest correction | |
| RONKITTE, J.M. | see John Merry Ronketti. | Goodison 1. | suggest correction | |||
| RONLEY, JOHN | England, MIM OIM | Micrometer = WHI. | moving-wire eyepiece micrometer. | J,A. Bennett 2. | suggest correction | |
| RONN, W. VON, UND F.A. HUHN | Germany, c.1827, NIM | W. von Rönn und F.A. Hühn. | Schück. | suggest correction | ||
| RONQUETTI | France, c.1780, PHIM | Barometer on clock = Soth. 10/26/73; Barometers = Soth.-Wilkinson and Hodge 6/22/23 and 7/20/23. | Paris. | RSW. | suggest correction | |
| ROOKE, J. | England, PHIM | Wheel Barometers = X (2). | Goodison 1. | suggest correction | ||
| ROOKER, JAMES EDWARD | England, fl. approx. 1850s | small pocket telescope=PC | 54 Newington Causeway | WEBDB | suggest correction | |
| ROOKER, JOHN A. | England, fl.1810-46, MIM | Slide Rule, 1810 = Evans Coll.; Pocket Calendar = Evans Coll.; Pantograph = Soth. 2/7/72. | the instruments are signed "John Rooker"; apprenticed to James Martin in the Grocers' Company on Sept. 4, 1794; free in the Company, 1810; divided the log-log slide rules, invented by Peter Mark Roget and sold by Francis West. | 27 Bridgewater Street, Somers Town; 49 Guildford Place, Kennington Cross; 1 Little Queen Street; 26 East Street, Lamb's Conduit Street; all in London. | Taylor 2(1418); J. Brown 1; G.L'E. Turner 24; Delehar 9. | suggest correction |
| ROORISTER, C.V. | Germany, c.1843, | invented a computing scale made by Ertel und Sohn. | Munich. | Brieux 2. | suggest correction | |
| ROOSE, THOMAS | England, c.1828, MIM | 16 north Side, Old Dock, Liverpool. | Taylor 2(1691). | suggest correction | ||
| ROOSEBOOM, JAN | Holland, c.1809, MIM OIM SIM | made telescopes and surveying instruments. | Buiksloot. | Rooseboom 1. | suggest correction | |
| ROOSENBOOM, JN. | Holland, c.1825, NIM | Zak Sextant = AMST. | Amsterdam. | Mörzer Bruyns 1. | suggest correction | |
| ROOTS, EDWARD | England, c.1728, MIM | apprenticed to Benjamin Macy of the Clockmakers' Company on Dec. 20, 1728. | J. Brown 3. | suggest correction | ||
| ROPER, ABRAHAM | Ireland, fl.1787-93, MIM | listed as Abraham Rosser, 1787-88. | 8 Bedford Row, Dublin (1787-93). | Morrison-Low and Burnett; Bryden 9. | suggest correction | |
| RORDORF | Italy, c.1825, PHIM | Stick Barometer = Phillips 7/20/83. | "Toledo N.286 à Naples." | Naples. | RSW. | suggest correction |
| ROSA, FELIX | France, | Félix Rosa; worked for Vaucanson, which see. | Daumas 1. | suggest correction | ||
| ROSAI, F. | England, PHIM | Stick Barometer = X. | Goodison 1. | suggest correction | ||
| ROSAPINI, P. | England, PHIM | Wheel Barometer = X. | Ticehurst. | Goodison 1. | suggest correction | |
| ROSATTE, J. | England, PHIM | this name appears on a printed paper barometer scale. | Leeds. | Goodison 1. | suggest correction | |
| ROSCOE, ROBERT | England, fl.1696-1730, MIM | Liverpool. | Bryden 9. | suggest correction | ||
| ROSE, DANIEL | England, MIM | Sundials = Shutts near Ashopton Hall and Derwent Churchyard, Derwent. | Derbyshire. | Gatty. | suggest correction | |
| ROSE, JOHN | England, c.1688, | apprenticed to John Toogood in the Joiners' Company on Dec. 11, 1688. | Crawforth 7. | suggest correction | ||
| ROSELL, JOSE | Spain, c.1850, MIM NIM | Octant = MAN-I128; Alidade with compass and case = Gersaint 7/20/96. | "Gran establecimiento de instrumentos de Jose Sosee." | Plaza de Palacionumero 13, Barcelona. | Garcia Franco 1. | suggest correction |
| ROSEN, CARL | Norway, NIM | Magnetic Compass = NOR. | Fahlun. | RSW. | suggest correction | |
| ROSENBERG, JOHAN PETTER | Sweden, fl.1764-77, MIM | instrument maker; apprenticed to Daniel Ekström, took over his shop; maker to the Academy, 1764-77. | Stockholm. | Pipping 1. | suggest correction | |
| ROSENBERG, PETTER | Sweden, c.1730, | instrument maker to the Corps of Engineers. | Stockholm. | Pipping 1. | suggest correction | |
| ROSENFALDT, HANS | Sweden, 1567, MIM | Hans Rosenfäldt made a silver astrolabe for Erik XIV, King of Sweden, for 1,200 marks. | RSW. | suggest correction | ||
| ROSENTALL, I. | England, c.1800, PHIM | Wheel Barometer = Soth. Pulborough 3/1/83. | Burton-on-Trent. | RSW. | suggest correction | |
| ROSENTHAL, GOTTFRIED ERICH | Germany, c.1782, PHIM | made an improvement for a portable barometer. | Stuttgart. | Middleton 1. | suggest correction | |
| ROSENTHAL, J.C. | Germany, 1717, MIM | Table Sundial, 1717 = EMA; Sundial, 1717 = Soth. 5/11/23. | may be the same sundial. | Zinner 1; RSW. | suggest correction | |
| ROSLIN, EUSTACHIUS | Germany, c.1537, | Röslin wrote an explanation of the astrolabe in 1537. | Frankfort. | Zinner 1. | suggest correction | |
| ROSS | England, c.1820, | see Lewis and Ross. | London. | Taylor 2(1624). | suggest correction | |
| ROSS AND CO. | England, c.1859, OIM | Thomas Ross who succeeded his father, Andrew Ross, c.1859. | London. | RSW. | suggest correction | |
| ROSS, ANDREW | England, 1798-1859, OIM PHIM | Microscope, presentation set = D.(1989). | apprenticed to John Corless in the Joiners' Company on July 20, 1813; optician; produced over four thousand microscopes; also made telescopes, stick and wheel barometers, and Wilson-type rain gauges; see Andrew Ross and Co. (1837-41). | 15 St. John's Square (1830); 33 Regent Street, Piccadilly (1837); 21 Featherstone Buildings (1840-47); 2 Featherstone buildings (1848-56); all (exept for Regent Street) in Clerkenwell, London. | Taylor 2(1983); Goodison 1; G.L'E. Turner 24; Morrison-Low 1; Moskowitz 132; Tesseract; Coffeen; Crawforth 7; RSW. | suggest correction |
| ROSS, ANDREW, AND CO. | England, fl.1837-41, OIM | Microscope (1839) = Soth. 7/7/78; Binoculars = D.(1984). | Andrew Ross and J.S. Lister; they developed a objective lens. | 33 Regent Street, Piccadilly, London. | Taylor 2(1983); G.L'E. Turner 24; Coffeen H; RSW. | suggest correction |
| ROSS, THOMAS | England, c.1859, OIM | succeeded his father, Andrew Ross, as Ross and Co. | London. | RSW. | suggest correction | |
| ROSS, WILLIAM | England, fl.1731-65, MIM | Rossisphere = P. & S. 2/28/1896 = OXF. | author; invented a type of ring sundial in 1733 called a "Rossisphere"; used a pseudonym "N.A." (New Astronomer), which see. | sondon. | Taylor 2(222 & 301); Evans 1. | suggest correction |
| ROSSELL, JOSE | Spain, MIM NIM | Sextant = BAR (2); Artificial Horizon = BAR; Octant = BAR. | José Rossell; T.C. | Plaza de Palacia N. 15, Barcelona. | RSW. | suggest correction |
| ROSSER, ABRAHAM | see Abraham Roper. | Bryden 9; Morrison-Low and Burnett.. | suggest correction | |||
| ROSSI, DE | Italy, 1695, MIM | Set of Gores for a Celestial Globe, 1695 = NMM-Caird. | could be Dominico or Jacobus de Rossi. | NMM 1; Yonge; RSW. | suggest correction | |
| ROSSI, DOMINICO DE | Germany; Italy, 1647-1719, MIM | Pairs of Globes, 1695 = Hispanic Society of America, N.Y., UCLA. | he altered Matthäus Greutter's 1638 globes and re-issued them. | Mailand; Rome. | Yonge. | suggest correction |
| ROSSI, G. | England, c.1780, PHIM | Wheel Barometers = X (5), D.(1978), Soth. 5/14/87, Ilbert Coll., Christie-SK 11/17/86. | four of the barometers are signed "G. Rossi Norwich"; the barometer offered by Soth. also has a thermometer. | Exchange Street, Norwich. | Goodison 1; RSW. | suggest correction |
| ROSSI, GIUSEPPE DE | Italy, c.1615, | printed pair of globe gores by Joducus Hondius in 1615. | Rome. | Yonge. | suggest correction | |
| ROSSI, JACOBUS DE | Italy, 1695, MIM | Celestial Globe, 1695 = NYM. | "----ex chalcographia Dominico Rubeis preo Jacobus de Rubeis an. 1695"; Yonge thought he was the same person as Dominico de Rossi | Rome. | Yonge. | suggest correction |
| ROSSI, JOSEF DE | Italy, 1615, | issued globe gores, 1615; "Josef de Rubeis Mediolanensis." | Mediolanus. | Yonge. | suggest correction | |
| ROSSI, JOSEPH F. | Sweden, PHIM | Stick Barometer = NOR; Wheel Barometer = NOR. | the stick barometer is signed "I. Rossi." | Stockholm. | RSW. | suggest correction |
| ROSSI, P. | England, PHIM | Stick Barometer = X. | Goodison 1. | suggest correction | ||
| ROSSITER | England, c.1815, PHIM | Wheel Barometer = Phillips 10/26/83. | signed on the bubble level. | Bridgwater. | RSW. | suggest correction |
| ROSSITER, GEORGE | England, c.1773, | apprenticed to John Blake in the Joiners' Company, Jan. 5, 1773. | Crawforth 7. | suggest correction | ||
| ROSTAND, ED. | France, MIM | Wall Sundial = Villa Ar-Naga, Cambo, B. Pyr. | Cambo, Basse Pyrennées. | Boursier. | suggest correction | |
| ROSTRIGA | Spain, c.1780, MIM PHIM | Sector, wood = MAA; Vacuum Pump, double acting = ISI. | the pump may be signed "Rostriaga." | Madrid. | RSW. | suggest correction |
| ROTH | France, c.1825, MIM | Adding Machine = X. | "Roth Bte." (breveté); see Dr. Roth and M. Wertheimber. | RSW. | suggest correction | |
| ROTH, DR., AND M. WERTHEIMBER | France, c.1845, | invented an automaton calculator. | Daumas 1; Practical Mechanic and Engineer's Magazine, Vol.14, pp.129-31. | suggest correction | ||
| ROTHKNECHT, JOH. CHRISTOPH | Austria, c.1720, MIM | Universal Ring Sundial = OXF. | Salzburg. | Gunther 2; Evans 1; RSW. | suggest correction | |
| ROTHWELL | England, c.1850, MIM OIM PHIM | Microscope, Culpeper-type = Soth.2/25/86; Stick Barometer = X; Barometer = P.C.; Goniometer, stellar = Phillips 11/16/88. | Manchester. | Goodison 1; RSW. | suggest correction | |
| ROTZ, JEAN | France; England, fl.1540-80, MIM | made an elaborate compass of variation for Henry VII; developed an armillary ring sundial with sights, mounted over a compass and called by him a "differential quadrant"; his father might have been a Scot. | Dieppe; London; Dieppe. | Taylor 1(15); A.J. Turner 10. | suggest correction | |
| ROUCKLEIFFE, JOHN | England, c.1722, | apprenticed to Charles Crick 2 of the Grocers' Company on Aug. 29, 1722. | J. Brown 1. | suggest correction | ||
| ROUGETTE | France, MIM | Miner's Compass with Level = USNM. | see Rouquette. | Nimes. | USNM. | suggest correction |
| ROUQUETTE | France, c.1820, MIM SIM | Graphometer = P.C. | see Rougette. | Nimes. | USNM; RSW. | suggest correction |
| ROUSSE, JACQUES | France, 1691, MIM | Vertical Sundial, slate, 1691 = Church, Coutures. | Coutures. | Gatty. | suggest correction | |
| ROUSSEAU | France, c.1777, MIM | Cannon Sundials = P.C., Christie 6/7/72, Ineichen 10/25/75; Sundials in Watch Cases = WRAY, MERC, HAY, Lempertz 6/14/76, McVitty Coll.; Magnetic Sundial = TIM. | applied for a patent for a cannon sundial in 1777; most of his work is marked "inv. fec."; collection of material is at Chenonceaux. | Price 2; Hamilton 1 & 2; RSW. | suggest correction | |
| ROUSSELLE | France, 1741, MIM | Butterfield-type Sundial, 1741 = NYM. | Paris. | RSW. | suggest correction | |
| ROUSSELLE, L. | France, c.1850, NIM | Sextant, small = D.(1975); Marine Compass = MYS. | "Opticien"; the sextant case has the trade card of Negus Co. | Le Havre. | RSW. | suggest correction |
| ROUSSELOT, F. | France, 1771, MIM SIM | Graphometer, 1771 = P.B. 10/9/43; Protractor with arms = P.C.; Drawing Instrument Set = ADL-N36. | Paris. | Culver 2; Brophy; ADL; RSW. | suggest correction | |
| ROUSSEVILLE | France, pre-1701, MIM | made a dialling instrument. | Portaluppi. | suggest correction | ||
| ROUTLEDGE, ADAM | England, fl.1828-34, PHIM | Stick Barometer = X. | signed "Routledge Carlisle." | 32 English Street, Carlisle | Goodison 1. | suggest correction |
| ROUTLEDGE, J. | England, fl.1805-32, | engineer; invented a type of slide rule for engineers in 1810. | Leeds. | Taylor 2(1211); Moskowitz. | suggest correction | |
| ROUX | France, c.1703, MIM | Universal Ring Sundial, silver, 1703 = D.(1976). | Tourraine. | RSW. | suggest correction | |
| ROUX, JACQUES | France, c.1690, MIM NIM SIM | Circumferentor = Chadenet Sale. | Toulon. | RSW | suggest correction | |
| ROUX, JOSEPH | France, 1725-93, NIM | Hadley's Quadrant = VNN; Mariner's Compass = Drouot Richelieu 4/28/88. | sur le port à Marseilles. | R. Malley; RSW. | suggest correction | |
| ROUX, JOSEPH, FILS, AINE ET COMP. | France, c.1760, NIM | Hadley's Quadrant = PEA. | Joseph Roux, Fils, Aîné et Comp. | Le Port vers St. Jean, Marseilles. | RSW. | suggest correction |
| ROUY, CH. | France, 1817, | invented an orrery in 1817, made by Bour. | Paris. | RSW. | suggest correction | |
| ROVERELLI, ALOYS | Italy, c.1770, MIM | see Antoine Quinquernal and Roverelli. | Florence. | Michel 3. | suggest correction | |
| ROVERENUS, SEXTUS | Italy, MIM | Sector = VEN. | Occulta. | Price 2. | suggest correction | |
| ROWE, ROBERT | England, fl.1703-25, | invented a fluid quadrant. | Taylor 2(110). | suggest correction | ||
| ROWELL, JOHN | England, fl.1733-34, MIM | Sundials, stained glass = Arbury Hall, Warwick (1733), Purley Hall, Berks (1734). | Daniels 1. | suggest correction | ||
| ROWLAND, DAVID | England, fl.1814-33, MIM NIM | made sextants; patented improvements for sextant and quadrant circles; "an ingenious mechanic." | 4 Cats Street, John Street, Edgeware Road; 68 Crawford Street (1833); both in London. | Taylor 2(1420). | suggest correction | |
| ROWLAND, JOHN | England, 1724, | free of the Spectaclemakers' Company in 1724. | Crawforth 7. | suggest correction | ||
| ROWLAND, RICHARD | England, fl.1792-1819, MIM NIM | Magnetic Compass, in wood box, with Sundial in cover = PAM; Marine Compass = Old Gaol Museum, York, Me; Horizontal Sundial = Christie 4/3/85. | patented improvements in compasses, wheels and binnacles in 1812; made an improved sand glass in 1819; succeeded by Thomas and Edward Rowland. | Quay (1793-94); 50 Broad Quay (1807-19); both in Bristol. | Taylor 2(1421); Crawforth 6; Bryden 9; USNM; RSW. | suggest correction |
| ROWLAND, THOMAS AND EDWARD | England, fl.1825-30, MIM OIM PHIM | Stick Barometer = X. | succeeded Richard Rowland at this address. | 50 Broad Quay, Bristol. | Taylor 2(1693); Goodison 1; Bryden 9. | suggest correction |
| ROWLEY | England, c.1850, PHIM | Stick Barometer = Soth. 10/19/87. | optician. | Brighton. | RSW. | suggest correction |
| ROWLEY, JAMES | England, fl.1721-88, MIM | apprenticed to Thomas Woods of the Clockmakers' Company on Dec. 6, 1714; turned over to James Drury of the same Company; free in the Company Feb. 5, 1721; took apprentices. | London. | J. Brown 3. | suggest correction | |
| ROWLEY, JOHN | England, fl.1691-1728, MIM NIM SIM | made many, beautiful instruments, including mechanical equatorial sundials, orreries, sectors, heliochronometers, etc., dating from 1690 to 1716; examples are to be found at DEU, NMM, WHI, ADL, OXF, TIM, KEN, MAA, etc. | apprenticed to Joseph Howe in the Broderers' Company on Oct. 20, 1682; free in the Company on Feb. 26, 1691; took apprentices; Master of Mechanics to George I; succeeded John Worgan; succeeded by Thomas Wright 1. | Threadneedle Street, behind the Exchange (1691); Johnson's Court, Fleet Street (1710); under the Dial at St. Dunstans Church (1714-15); all in London. | Taylor 1(507) & 2(111); J. Brown 1; Crawforth 7; Taylor and Wilson; Maddison 1; Gunther 2; ADL; RSW; Michel 3; Bryden 11 and 16; J.A. Bennett 2; Gingerich 2; A.J. Turner 10; Wynter. | suggest correction |
| ROWLEY, T. AND SON | England, OIM | Telescopes, four-draw = Christie-SK 3/31/83, Versailles 11/20/83. | probably Thomas Rowley and Son. | Brighton. | RSW. | suggest correction |
| ROWLEY, T., AND SONS | England, OIM PHIM | Telescope = K. and C. 9/20/71; Wheel Barometer = K. and C. 7/13/73. | probably Thomas Rowley. | Brighton. | RSW. | suggest correction |
| ROWLEY, THOMAS | England, OIM PHIM | Wheel Barometer = K. and C. 7/13/73; Microscope, No. 198 = Soth. 12/15/78. | Brighton. | RSW. | suggest correction | |
| ROYER, ABRAHAM | see A.R. 2. | Hamilton 1 and 2. | suggest correction | |||
| RUBEIS | see de Rossi. | Yonge. | suggest correction | |||
| RUBERGALL, THOMAS | England, fl.1802-54, MIM OIM PHIM | made many instruments including stick and wheel barometers, telescopes, sundials, etc; examples are at WHI, NOR, USNM, etc. | optician to George III; optician to H.R.H. Duke of Clarence (1789-1830); optician to the Queen. | 27 Piccadilly; Princes Street, Soho (1802); 27 Coventry Street 1805-23; 24 Coventry Street (1826-54); all in London. | Taylor 2(1423); Goodison 1; J.A. Bennett 2; Moskowitz; Dewhirst; RSW. | suggest correction |
| RUBEUS, THEODOSIUS | Italy, 1587, MIM | Sundial, 1587 = POB. | Rome. | Michel 3. | suggest correction | |
| RUCKERT, THOMAS | Germany; Czechoslovakia, fl. 1575-90, MIM | Pedometers = DRE (1575), PRA (1581), BM (1590). | may have invented the pedometer. | Dresden (1575-81); Prague (1581-90). | Zinner 1; Michel 3; Price 3; Ward 4; RSW. | suggest correction |
| RUDOLPH | Germany, c.1747, MIM OIM | mechanical and optical instrument maker to Count Hans Löser. | Reinharz. | Chaldecott 4. | suggest correction | |
| RUDOLPH, J.G. | Germany, 17th Century, OIM | Telescope = ADL-M446 | signed on objective lens. | Dresden. | Engelmann 1; ADL; RSW. | suggest correction |
| RUELLE | France, 1771, MIM | Horizontal Sundial, 1771 = ADL-M269. | "gravé par Ruelle." | Michel 3; Engelmann 1; ADL; RSW. | suggest correction | |
| RUFFO, ANDRE | Spain, 1648, NIM | Mariner's Astrolabe, 1648 = P.C. (NMM-64) | also marked "Mel Aluresonovo", probably the owner; NMM is the National Maritime Museum Registry of Maritime Astrolabes. | Stimson 3. | suggest correction | |
| RUFVEN, I. | misreading for John Ruthven, which see. | RSW. | suggest correction | |||
| RUGENDAS | Germany, MIM | this is a family of sundial and clockmakers; see Nikolaus Rugendas 1, 2 and 3; their work was of the highest quality and it is difficult to differentiate between them except for the few dated instruments; examples may be seen at ADL, NMM, OXF, SAL, PAR, STU, BM, NYM, THO, LOS, AUG, DEU, UTR, HAM, WHI, etc. | Augsburg. | Zinner 1; Bobinger 2; Michel 3; Hamilton 1; USNM, deRijk; Gunther 2; Price 3; Ward 4; Bryden 16; ADL; RSW. | suggest correction | |
| RUGENDAS, NIKOLAUS 1 | Germany, 1585-1658, MIM | made sundials and clocks; Michel thought that Nikolaus Rugendas 1 developed the Augsburg-type sundial and its variant which has a cam to automatically set the latitude. | Augsburg. | Zinner 1; Bobinger 2; Michel 3. | suggest correction | |
| RUGENDAS, NIKOLAUS 2 | Germany, 1619-94, MIM | Calendar Clock, 1661 = Residenz, Munich. | apprenticed to his father, Nikolaus Rugendas 1; father of Nikolaus Rugendas 3; sundial and clock maker. | Augsburg. | Zinner 1; Bobinger 2; Michel 3. | suggest correction |
| RUGENDAS, NIKOLAUS 3 | Germany, 1665-1745, MIM | Sundial = LAW-307; Augsburg-type Sundials = ADL-W47, ADL-A96; Universal Ring Sundial = ADL-DPW44. | son of Nikolaus Rugendas 2; sundial and clock maker; his work dates from 1690 to 1745. | Augsburg. | Zinner 1; Bobinger 2; Michel 3; Syndram; ADL; RSW. | suggest correction |
| RUGGLES, STEVEN P. | USA?, 1837, MIM | Terrestrial Globe (for the blind), 1837 = Perkins School for the Blind, Watertown, Mass. | Yonge. | suggest correction | ||
| RUGHI, GAETANO | Italy, fl.1820-30, PHIM | made equipment for Leonardo Nobili's electro-magnetic experiments. | Regio Emilia. | Brenni 1. | suggest correction | |
| RUHER, HANS CAROL | Germany, post-1674, MIM | Rüher; made sundials after 1674. | Nürnberg. | Gouk 1. | suggest correction | |
| RUHMKORFF, HEINRICH DANIEL | Germany; France, 1803-77, PHIM | Electro-Medical Induction Apparatus = TEY; Eddy Current Machine = Pavia University. | "Mechanicien"; succeeded by J. Carpentier. | 15 Rue des Maçons Sorbonne, Paris (1840). | G.L'E. Turner 24. | suggest correction |
| RUMBALL, SAMUEL | England, c.1838, MIM PHIM | 5 Crane Court, St. Peter's Hill, London. | Taylor 2(2226). | suggest correction | ||
| RUMPF, PHILLIPP | Germany, fl.1822-27, PHIM | Balance = DRE; Heliotropes, 1822, 1827 = X; Barometer, Fortin-type, 1823 = DEU. | Göttingen. | Middleton 1; USNM; RSW. | suggest correction | |
| RUPERT, PRINCE | England, 1663, MIM | invented a mechanical tracing device. | Latham and Matthews, Vol.7 | suggest correction | ||
| RUPP AND GREGG | USA, 1844-53, MIM | Michael Rupp and William Theodore Gregg 1. | New York N.Y. | Moskowitz 122. | suggest correction | |
| RUPP, MICHAEL | France; USA, 1818-99, MIM NIM SIM | Surveyor's Compass = P.C. | partner with William T. Gregg as Gregg and Rupp (1844-53); worked alone 1853-99; T.C. | France (1818-29); came to USA in 1829; New York N.Y. (1844-99). | Smart 1; USNM; RSW. | suggest correction |
| RUPP, MICHAEL, AND CO. | USA, 1853-99, MIM | Sextant = D.(1965). | T.C.; chronometer maker. | 39 South Street, Corner Old Slip, New York, N.Y. | Moskowitz 122; RSW. | suggest correction |
| RUSHMER | England, c.1850, PHIM | Wheel Barometers = Soth.-S 9/18/86, 7/23/87. | Yarmouth. | RSW. | suggest correction | |
| RUSHTON, WILLIAM | England, fl.1801-38, MIM OIM | 8 Whittal Street (1801-08); 10 Whittal Street (1818); both in Birmingham. | Taylor 2(1695); Bryden 9. | suggest correction | ||
| RUSPINUS, CAREL | Holland, c.1760, PHIM | Barometers = LEY, OMM; Thermometer, mercury, 1760 = Exposition, Leiden, 1927. | op de Gr. unmonise shigs Amsterdam. | Daumas 1; USNM; RSW. | suggest correction | |
| RUSSELL, ALEXANDER, AND CO. | Scotland, 1834, MIM | Sundial, 1834 = Kirkaldy Museum. | "Kirkaldy Foundry." | 43 High Street, Kirkaldy. | Stevens and Aked. | suggest correction |
| RUSSELL, DANIEL | England, | owner of a quadrant by Owens, Liverpool. | RSW. | suggest correction | ||
| RUSSELL, HENRY | England, c.1827, PHIM | made Taylor-type rain gauges | Kings Square, Goswell Street, London. | Taylor 2(1696). | suggest correction | |
| RUSSELL, JAMES | England, c.1840, MIM | advertised a planetarium. | RSW. | suggest correction | ||
| RUSSELL, JOHN 1 | England, 1745-1806, MIM | Selenographias = Burghley House, Soth. (1791), Phillips 2/22/77, KEN (1797), KEN. | artist; amateur astronomer and mathematician; R.A.; patented the Selenographia, or moon globe, in 1796. | Newman Street, London. | Taylor 2(763); Dewhirst; A.J. Turner 10; Country Life, 3/16/78; Millburn 8; RSW. | suggest correction |
| RUSSELL, JOHN 2 | Scotland, c.1745-1817, PHIM | Stick Barometers = P.C., X (3); Wheel Barometers = VAA, SPI-Anderson 3/25/27, Buckingham Palace (2), National Galleries of Scotland; Wheel Barometers, Royal = Christie 12/6/78, RSM, etc. | "Watchmaker to H.R.H. the Prince of Wales" pre-1811; "Watchmaker to H.R.H. the Prince Regent", 1811-17; invented the 'Royal Wheel' type of barometer; made at least 23 barometers; the RSM barometer is marked "inv. et fecit." | oppposite the top of Kirk Wynd, Falkirk. | Goodison 1; RSW. | suggest correction |
| RUSSELL, WILLIAM | USA, c.1809, | patented an improved marine compass in 1809. | New Bedford, Mass. | Bedini 8; USNM. | suggest correction | |
| RUST | see Spencer Browning and Rust. | RSW. | suggest correction | |||
| RUST AND EYRE | England, c.1770, MIM OIM | Azimuth Compass = NMM. | Richard Rust and R. Eyre were partners, as R. Eyre and R. Rust, until 1785; Rust issued a Trade Card to say that he was on his own as of that date. | The Minories, London. | J.A. Bennett 2; NMM 2. | suggest correction |
| RUST, EBENEZER 1 | England; Holland; England, fl.1771-1800, MIM | apprenticed to his uncle, Richard Rust, in the Grocers' Company; free in the Company on Sept 4, 1777; took apprentices; partner with William Spencer 2 and Samuel Browning 2 in Spencer, Browning and Rust 1, 1784-1800. | at Mr. Spencer's, 26 Wapping Street (1777), London; Amsterdam (1779-82); at Mr. Spencer's 327 Wapping Street (1782); Green Churchyard, St. Catherine's (1782); both in London; Eaton Ford, Beds. (1784); Eaton Socon, Beds.(1792); Wapping (1795); St. George's in the East (1798); both in London. | J. Brown 1. | suggest correction | |
| RUST, EBENEZER 2 | Holland; Englandfl.1809-38, MIM | apprenticed to his father, Ebenezer Rust 1, in the Grocers' Company on Sept. 3, 1795; free in the Company, June 1, 1809; a partner in Spencer, Browning and Rust 2 with William and Richard Browning, from 1819-38; optician. | Amsterdam (1782); 66 Wapping; Bun Street; both in London. | J. Brown 1 & 2. | suggest correction | |
| RUST, JOSEPH 1 | England, fl.1785-1801, | member of the Grocers' Company; took over his nephew, Joseph Rust 2, as an apprentice from his brother, Richard Rust, in 1785. | London. | J. Brown 1. | suggest correction | |
| RUST, JOSEPH 2 | England, fl.1786-93, MIM | apprenticed to his father, Richard Rust, in the Grocers' Company on Sept. 4, 1777; turned over to Joseph Rust 1, his uncle, in the Company, 1785; free in the Company on Mar. 2, 1786; took apprentices; bankrupt in 1789. | St. Catherine's (1788); 15 Free School Street, Southwark (1793); both in London. | J. Brown 1. | suggest correction | |
| RUST, JOSEPH 3 | England, fl.1809, MIM | apprenticed to his father, Ebenezer Rust 1, in the Grocers' Company on Dec. 6, 1798; free in the Company, Dec. 7, 1809. | J. Brown 1. | suggest correction | ||
| RUST, JOSEPH 4 | England, fl.1811-16, NIM | T.C.; worked with Thomas Jones 2 in Jones and Rust (1811-13), which see. | 28 Pool Lane, Liverpool (1816). | Brewington 1; RSW. | suggest correction | |
| RUST, MRS. MARTHA | England, 1801, MIM | widow of Ebenezer Rust 1; took Joseph Fox as an apprentice in the Grocers' Company Feb. 5, 1801. | King Street, Sampson's Gardens, London. | J. Brown 2. | suggest correction | |
| RUST, RICHARD | England, fl.1752-85, MIM NIM SIM | Sextant = TRE; Quadrant, 1758 = Soth. 7/8/54; Octants = ADL-A52 (1770), D.(1974), etc; Universal Ring Sundial = Soth.-N.Y. 2/23/79; Circumferentor = P.C. (1987); Mining Theodolite = HAK; Backstaff = Christie-SK 4/17/86; etc. | apprenticed to John Parminter 1 in the Grocers' Company, 1744; free of the Company, 1752; took apprentices; T.C.; partner with John Adams 3, c.1760; invented and made an artificial horizon. | at Mr. Thos. Rust's at the Anchor and Bells in the Minories (1752); the Minories (1753); at the corner of St. Catherine Stair, near the Tower of London; St. Catherine's High Street (1781); all in London. | Taylor 2(403); J. Brown 1; Crawforth 1; Calvert 2; Gunther 2; Michel 3; C.N. Robinson; Wynter 1; Clay and Court; ADL; RSW. | suggest correction |
| RUTHVEN, JOHN | Scotland, fl.1819-40, PHIM | Kaleidoscope = Soth. 6/23/87 = 10/3/88. | T.C.; Soth. 6/23/87 was misread as "I. Rufven", the other listed as "I. Rufve." | Edinburgh. | Calvert 2; Crawforth 1; RSW. | suggest correction |
| RUTSCHMANN, JOSEPH | Austria, c.1792, MIM | made an astronomical clock with Pater David Cajetano, Capuc., who was Sebastian Rutschmann. | Michel 3; Zinner 1. | suggest correction | ||
| RUTSCHMANN, SEBASTIAN | Austria, c.1790, | known as Pater David Cajetano, Capuc, which see. | Michel 3; Zinner 1. | suggest correction | ||
| RUTT, RICHARD | England; USA, 1799-1859, MIM NIM OIM | made or sold nautical compasses; worked with his son, as R. Rutt and Son, 1842; worked alone, 1845-59. | England (1799-1830+); 10 Thames Street, Feld's Point, Baltimore, Md. (1842-59). | Smart 1; Warner 12. | suggest correction | |
| RUTT, RICHARD, AND SON | USA, 1842, MIM NIM OIM | T.C. | 10 Thames Street, Feld's Point, Baltimore, Md. | Smart 1; Moskowitz 101. | suggest correction | |
| RUTTY, THOMAS | England, c.1838, MIM OIM | apprenticed to Thomas Lefever in the Merchant Taylors' Company; free in the Company, 1838. | 39 Hackney Road, London. | Taylor 2(2227); Crawforth 7. | suggest correction | |
| RUTZIUS, JOHANN PETRUS | Germany, c.1700, MIM | Equatorial Sundial = OXF. | Friedberg. | Zinner 1; Michel 3; Evans 1. | suggest correction | |
| RUVOLO, FRANC. | Italy?, 1687, MIM | Terrestrial Globe, ivory, 1687 = Chicago Historical Society. | signed "Franc. Ruvolo Fecit. Joseph Baranca Sculpsit Octob. 1687." | Yonge. | suggest correction | |
| RUXTON, THOMAS | Ireland, c.1817, MIM | 64 Aungier Street, Dublin. | Taylor 2(1424a). | suggest correction | ||
| RYBURN, ARTHUR | USA?, 1772, NIM | Hadley's Quadrant, 1772 = Essex Institute, Salem, Mass. | on loan to a historic house in Salem. | RSW. | suggest correction | |
| RYCK, ABRAHAM DE | Holland, c.1660, MIM | Leiden. | Rooseboom 1. | suggest correction | ||
| RYDBECK, ANDREAS | 1729, MIM | Perpetual Calendar with Lunar Volvelle, 1729 = NOR. | RSW. | suggest correction | ||
| RYDER, J. | USA, 1854, MIM | Inclinable Sundial, 1854 = D.(1965). | Newark, Ohio. | RSW. | suggest correction | |
| RYHINER, CHARLES | USA, fl.1838-39, MIM SIM | Surveyor's Compass = Missouri Historical Society, St. Louis. | 26 Chestnut Street, St. Louis, Mo. | Smart 1. | suggest correction | |
| RYLAND, THOMAS | England, fl.1801-08, OIM | optician. | Great Charles Street (1801); Mary Ann Street (1808); both in Birmingham. | Bryden 9. | suggest correction | |
| RYLEY, GEORGE | England, c.1680, | a Lorimer; took Jeoffrey Stagnes as an apprentice, then turned him over to Simon Chapman of the Clockmakers' Company. | London. | J. Brown 3. | suggest correction | |
| RYTER, A. | misreading of Augustine Ryther. | Zinner 1. | suggest correction | |||
| RYTHER, AUGUSTINE | England, fl.1582-95, MIM SIM | Theodolite, 1590 = FLO; Equatorial Sundial = FLO; Universal Sundial, 1588 = Soth, 10/22/85 = KEN. | member of the Grocers' Company by 1582; took Charles Whitwell as an apprentice in the Grocers' Company in 1582; engraved maps; the instruments at FLO were brought to Florence in 1608 by Sir Robert Dudley. | a little from Leadenhall next to the Signe of the Tower, London (1590). | Taylor 1(47a); J. Brown 1 & 3; Michel 3; Zinner 1; RSW. | suggest correction |
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