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.See an error? Suggest a correction!
| Signature | Maker Info | Instruments | Comments | Location | References |
| 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. | |
| R. 2 | MIM | Barrel Measure, wood and ivory, 64 inches = Salem Maritime Nat'l Site. | rule now in two pieces | RSW. | |
| R.C. | England, 18th Century, MIM | Dividers, iron = Bovet Coll. = NMM. | RSW. | ||
| R.D. | Germany, 1838, MIM | Evans 1. | |||
| R.D.H.A.E. | Germany?, 1765, MIM | Table Sundial, stone, 1765 = NUR. | Zinner 1. | ||
| R.E. 1 | Germany, MIM | Astrolabe = DEU. | mastermark in shield. | D. Bachman 1. | |
| 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. |
| R.F. 1 | Germany, 1590, | marked on a stone perpetual calendar by M. Joh. Helsbeccius in the HAK museum. | RSW. | ||
| 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. |
| R.F. 3 | England, 1630, | initials marked on a quadrant by John Chatfield, 1630. | RSW. | ||
| 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. |
| 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. | |||
| R.G. 2 | MIM | Sundial in ivory sphere = Soth. 3/11/63. | RSW. | ||
| R.H. | 1612, | instrument maker ? | Evans 1. | ||
| R.K. | Denmark, | marked on 1772 compass card signed "Rasmus Koch." | Copenhagen. | RSW. | |
| R.L. | see Richard LeKeux. | Brewington 1. | |||
| R.L.S.P., PRES. | see Pres. R.L.S.P. | RSW. | |||
| 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. |
| R.M. 2 | England, 18th Century, MIM | Garden Sundial = Nat'l Museum of Wales. | initials added later. | Wales. | Peate. |
| R.P. | 1708, MIM | Horary Quadrant, crude, 1708 = OXF. | RSW. | ||
| 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. | ||
| R.S. 2 | England, 1654, MIM | Table Sundial, lead, 1654 = London Museum. | RSW. | ||
| 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. | |
| R.S. 4 | Germany, 18th Century, MIM | Miner's Compass = Koller 11/17/75. | RSW. | ||
| R.S. 5 | Robert Smith ?; Richard Saunders ? or the father of Henry Sutton ? | Taylor 1(174); RSW. | |||
| R.T. | England?, 1531, MIM | Pair of Dividers, 1531 = Soth. 4/18/88. | RSW. | ||
| R.V.K. | owner!; the initials are on a circumferentor by D. Metz at the TIM, 1987. | RSW. | |||
| R.W. 1 | England, 1617, MIM | Sundial, sandstone, 1617 = The Washington House, Little Brington, Northhampton. | might be Robert Washington. | Earle. | |
| R.W. 2 | MIM | Garden Sundial = ADL-W150. | ADL; RSW. | ||
| R.W. 3 | England, c.1840, MIM | punched in middle of ivory scale on unsigned octant at PMS. | RSW. | ||
| R.Z. | Germany, c.1581, | marked on 1b of ADL-M258, c.1581. | Engelmann 1; ADL; RSW. | ||
| 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. | |
| 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. |
| RABELON, ISAAC | England, 1719, PHIM | Barometer, 1719 = KEN. | Daumas 1. | ||
| RABONE | England, c.1900, MIM | Folding Rule = P.C. | marked "Warranted Boxwood"; "made in England." | RSW. | |
| 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. | |
| RABONE, ELIZABETH | England, c.1808, MIM | rule maker. | Water Street, Birmingham. | Bryden 9. | |
| RABONE, EPHRAIM | England, c.1818, MIM | rule maker. | Water Street, Birmingham. | Bryden 9. | |
| 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. |
| 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. | |
| 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. |
| RABONE, T. | England, PHIM | Stick Barometers = X, Soth.-S 1/10/90. | London. | Goodison 1; RSW. | |
| 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. | |
| 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. |
| RABY, EDWARD | England, c.1834, OIM | Great Brook Street, Birmingham. | Taylor 2(1976). | ||
| 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. |
| RADEMACHER | England, PHIM | Stick Barometer = X. | Eccles. | Goodison 1. | |
| RADFORD | England, OIM | T.C. | over against the East End of the New Church in the Strand, London. | Crawforth 1. | |
| 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. | |
| RADSMA, TJEERD JACOBS | Holland, c.1686-1790, MIM | he made eight clocks with planetariums. | Harlingen. | Rooseboom 1. | |
| RADULF | Belgium, c.1025, MIM | made a different form of astrolabe c.1025; Magister of Liège. | Liège. | Zinner 1. | |
| RAETOR, JOHN | England, c.1801, MIM OIM PHIM | 49 Cheapside, Deritend, Birmingham. | Bryden 9. | ||
| RAFFLE | France, MIM | Protractor = P.C.(1968). | Rafflé. | Paris. | RSW. |
| RAGGETT, JAMES | England, c.1830, OIM | 21 London Street, Reading. | Taylor 2(1977). | ||
| RAHNE, PETER | Germany, c.1740, MIM | Sectors = STU, THO. | "Peter Rahne Fecit: zu Berlin." | Berlin. | Hambly 2; RSW. |
| RAHTJEN, G. | Germany, NIM | Octant, ebony and ivory = P.C.(1979). | Bremen. | RSW. | |
| RAIDEL, HANS FRIEDRICH | Germany, c.1627, MIM SIM | Surveying Instrument, incomplete, 1627 = AUG; Horary Quadrant, 1627 = AUG. | Augsburg. | Zinner 1; Price 2; RSW. | |
| RAILLE, H. | see Evin and H. Raille. | USNM. | |||
| RAIMONDUS, PETRUS | Italy, 1375, MIM | Astrolabe, 1375 = A.C. Baldwin Coll. = BOS. | Cumae. | Exhibition of 1876, London; Thorndike; RSW. | |
| RAINER FRISIUS | see Gemma Frisius. | Zinner 1. | |||
| RAINGO FRERES | France, c.1820, MIM | Orrery Clock = D.(1976). | Raingo Frères; clock makers. | Paris. | RSW. |
| 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. | |
| 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. |
| RAMAGE | Scotland, PHIM | Wheel Barometer = X; Barometer = D.(1968). | probably John Ramage 1 or 2. | Aberdeen. | Goodison 1; RSW. |
| 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. | |
| 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. | |
| 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. |
| 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. | |
| RAMAS, P. | England, PHIM | Stick Barometer = X. | probably P. Ramos, which see. | Goodison 1. | |
| RAMIRES, FRANCISCO | Spain?, 1853, MIM | Universal Equatorial Sundial, 1853 = Soth. 5/29/61. | RSW. | ||
| 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. | |
| 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. |
| RAMOS, P. | England, PHIM | Wheel Barometer = X. | see P. Ramas. | 281 Holborn, London. | Goodison 1; RSW. |
| RAMPAART, VAN | see Petrus ab Aggere. | Zinner 1; Michel 3. | |||
| RAMPOLDI AND CO. | England, PHIM | Wheel Barometers = X, Soth. 4/28/88. | Huntingdon. | Goodison 1; RSW. | |
| RAMPOLDI, J. | England, fl.1851-53, PHIM | barometer maker. | 22 Grey Street, Newcastle-upon-Tyne. | Goodison 1. | |
| RAMSBECK | Austria, c.1772, MIM OIM | see Schreibelmayer und Ramsbeck. | Vienna. | Daumas 1. | |
| 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. |
| RAMSEY, HENRY T. | England, NIM | Octant, case = HAM. | Lowgate, Hull. | RSW. | |
| RAND, J. | England, c.1799, OIM | patented a micrometrical stadimeter as a 'military and naval telescope'; author. | London. | Moskowitz 104; Taylor 2(1029); Dewhirst. | |
| 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. | |
| RANDALL, RICHARD | England, c.1799, | apprenticed to George Mills in the Joiners' Company, Feb. 5, 1799. | Crawforth 7. | ||
| RANDALL, WILLIAM | England, c.1700, | apprenticed to his father, John Randall, in the Grocers' Company on Sept. 10, 1700. | J. Brown 1. | ||
| RANDOLL | see Randall. | J. Brown 1. | |||
| RANDOLPH, T.F. | USA, c.1860, MIM SIM | Surveying Compass, case = Chillicothe Museum, Ohio. | 67 West 6th Street, Cincinnati, Ohio. | USNM. | |
| RANDOLPH, T.F., AND BRO. | USA, c.1867, MIM PHIM SIM | Surveying Compass = Transylvania College. | 67 West 6th Street, Cincinnati, Ohio. | USNM. | |
| RANNOY, P. GELASIUS VISCHER | Germany, 1712, MIM | Sundial, stone, 1712 = DEU. | Price 2. | ||
| 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. | |
| RAPKIN | England, | see Pastorelli and Rapkin. | RSW. | ||
| RAPOSA | see A. Goys; see Joa~o de Goes. | Stimson 3; Guedes. | |||
| RASPAIL | France, c.1770, OIM | made micrscopes. | Dewhirst; Clay and Court. | ||
| RASPON, RAPHAEL | Italy, c.1600, MIM | Compass, large, shadow square = POB. | MADEX. | ||
| RASTRELLI, AUGUSTINO | Italy, 1719, MIM | Reduction Compass, 1719 = FLO-1257. | Florence. | Michel 3. | |
| RATCLIFF, BENJAMIN | England, fl.1743-59, MIM | Sundial, 1743 = St. Mary's Church, Welshpool. | father of Owen Ratcliff; clockmaker. | Welshpool. | Peate. |
| RATCLIFF, OWEN | England, fl.1776-80, MIM | Sundial = Castle Caereinion, Montgomeryshire. | son of Benjamin Ratcliff; clockmaker. | Welshpool. | Peate. |
| RATH, H. | Germany, c.1867, MIM | Mining Gradient Level, 1867 = Christie 12/18/74. | Munich. | RSW. | |
| RATH, PETER | Germany, c.1840, MIM PHIM | Compass, in case = DEU; Thermometer = DEU; Barometer = DEU. | Munich. | Middleton 1; RSW. | |
| RATHBONE, AARON | England, 1572-1618, | designed a reducing ruler; author. | Yorkshire. | Taylor 1(91). | |
| 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. |
| RATTKNECHT, CHRISTOPH | Austria, c.1739, MIM | Graphometer, 1739 = SAL. | Salzburg. | Zinner 1; Michel 3. | |
| RATTKNECHT, JOHANN-CHRISTOPH | Austria, c.1670, MIM | Sundial = X. | Salzburg. | Michel 3. | |
| RATUS, CARL AUG., BAADEN FR. LIBE | Germany, 1766, MIM | Equatorial Sundial, 1766 = Soth. 5/12/75. | RSW. | ||
| 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. | |
| RAVIZZA, AMICINO | Italy, 1799, MIM | corrected a sundial made by Cocart. | Cremona. | Evans 1. | |
| RAWBENGEL, HANS | Germany, 1487, MIM | made sundials, 1487. | Nürnberg. | Gouk 1. | |
| RAXTOR, JOHN | England, c.1818, MIM SIM | John Street, Birmingham. | Bryden 9. | ||
| 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. |
| RAY AND CO. | England, NIM | Sextant = Phillips 2/14/79. | Liverpool. | RSW. | |
| RAY, J., AND CO. | England, NIM | Sextant with case = D.(1976). | Liverpool. | RSW. | |
| 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. |
| 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. | ||
| RAYNOLD | Germany, MIM | Alidade = Drouot 4/26/67. | Berlin. | RSW. | |
| 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. |
| READ, J. | England, PHIM | Set of Money Balances = Soth. 11/13/64. | St. Ann's Lane, Nr. Aldersgate, London. | RSW. | |
| 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. | |
| 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). | |
| READ, JOHN 3 | England, 1688, MIM | Sundial, bronze, 1688 = Soth. 12/13/71 = WHI. | Bishop Stortford. | Bryden 16; RSW. | |
| 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. | |
| READE | variant spelling for Read. | A.J. Turner 10. | |||
| READE, GEORGE | England, c.1762, | apprenticed to Richard Rust of the Grocers' Company on June 1, 1762. | J. Brown 1. | ||
| READING, THOMAS | Ireland, fl.1752-68, MIM | surveyer; apprenticed to Gabriel Stokes. | Georges Lane, near Stephens Street, Dublin. | Bryden 9. | |
| 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. | |
| REALINI, L. | England, PHIM | Wheel Barometers = X (2). | Newcastle. | Goodison 1. | |
| REARDON, JOHN | England, c.1838, OIM | 42 Gaston Street, Clerkenwell, London. | Taylor 2(2217). | ||
| 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. | |
| REBALLIO EN ZOON | Holland, c.1800, PHIM | Hydrometer and Thermometer = USNM. | Rotterdam. | USNM. | |
| REBALLIO, A. | Holland, c.1790, OIM PHIM | Instrument = LEY; Telescope = Christie-SK 4/14/89. | Rotterdam. | Daumas 1; RSW. | |
| REBEIRO, IOZE GABRIEL | Spain, c.1790, | marked on an English octant; probably the owner. | Versailles 4/17/83. | ||
| RECH, WOLFF | Germany, c.1649, MIM | sandglass maker. | Nürnberg. | Lunardi. | |
| RECHBERGER, WILHELM | Germany, c.1611, | wrote about the astrolabe. | Augsburg? | Zinner 1. | |
| 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. | |
| RECHTER, JAN 2 | Holland, 1777-1801, MIM | son of Jan Rechter 1. | Delft. | Rooseboom 1. | |
| RECORDE, ROBERT | England, c.1556, | published drawings of portable and standing quadrants. | Gunther 2. | ||
| REDDING, ROSIER | England, c.1769, | apprenticed to Robert Taylor 2 of the Grocers' Company on July 4, 1769. | J. Brown 1. | ||
| REDMOND | Universal Ring Sundial = P.C. (1976). | English forgery, probably by Williams; marked "Dublin." | Brieux. | ||
| 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. |
| 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. |
| REED, THOMAS, AND CO. | England, NIM | T.C. | Sunderland. | Crawforth 1. | |
| REEDER, R. | USA, c.1847, | took out a patent on a mariner's compass, 1847. | Cincinnati, Ohio. | UANM. | |
| REENS, H.A. | Holland, 19th Century, OIM PHIM | Wheel Barometer = Christie, April 1978; Telescope = Auction, Dordrecht, June 1975. | Rotterdam. | Mörzer Bruyns 2. | |
| REES, JOHN | England, c.1823, | apprenticed to James Hamer in the Joiners' Company, Oct. 8, 1823. | Crawforth 7. | ||
| 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. |
| 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. | |
| 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. |
| REEVES, RICHARD 1 AND JOHN COX | England, c.1664, OIM | telescope makers. | London. | Henry King 1. | |
| 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. | |
| 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. |
| REEVES, WILLIAM | USA, 1785, NIM | Hadley's Quadrant, 1785 = VNN. | "Reeves, Thomaston, Me." is written in the case. | Thomaston, Me. | RSW. |
| REEVES, WILLIAM, AND CO. | England, c.1850, MIM | Double Slide Rule = D.(1989). | see Reeves and Sons. | London. | Moskowitz 132. |
| REGHTER, DAVID | Holland, fl.1780-97, PHIM | Middelburg. | Rooseboom 1. | ||
| 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. | |
| REGNARD FRERES | France, MIM | Clepsydra = CNAM. | Regnard frères. | Sens. | Con. Nat'l 1; RSW. |
| REGNAULT, HENRI VICTOR | France, 1810-78, | devised a hygrometer similar to Daniell's. | G.L'E. Turner 24. | ||
| REGNIER | France, c.1800, MIM | Meridian Sundial = CNAM. | Régnier. | Senaur. | RSW. |
| REGNIER, EDWARD | France, c.1800, PHIM | Dynamometers = USNM, Soth. 10/17/60. | à Beau Grenelle, Banlieu de Paris. | USNM; RSW. | |
| 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. |
| REICHENBACH UND FRAUENHOFER | Germany, c.1810, MIM OIM | Telescope = DRE. | Munich. | RSW. | |
| 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. | |
| 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. |
| REICHENBACH, UTZSCHNEIDER UND LIEBHERR | Germany, c.1804, MIM OIM SIM | Georg von Reichenbach, Joseph von Utzschneider and Joseph Liebherr. | Munich. | J.A. Bennett 2. | |
| REICHER, GEORG | Germany, c.1674, MIM | made sundials. | Nürnberg. | Gouk 1. | |
| REICHERT, JOHANN | Germany, fl.1761-68, PHIM | Nest of Weights = Drouot Richelieu 4/28/88. | RSW. | ||
| REICHLE, MELCHIOR | Germany, fl.1568-69, MIM | Astronomical Compendium, 1568 = BM; Cruciform Sundial, 1569 = BM | Zinner 1; Price 3; Ward 4. | ||
| 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. | ||
| REID | Scotland, c.1815, MIM | patented a trigonometer. | Aberdeen. | RSW. | |
| REID, ADAM | England, PHIM | Stick Barometer = X. | Woolwich. | Goodison 1. | |
| REID, ALEXANDER | Scotland, c.1850, PHIM | Wheel Barometer = Christie 12/8/76. | barometer signed "Alex Reid." | 66 Nicholson Street, Edinburgh. | RSW. |
| REID, JOHN | England, c.1590, MIM | John Blagrave referred to him as an able maker. | Darius 3. | ||
| REIFF, GOTTFRIED | Germany, c.1750, MIM | Pillar Sundials, wood = MERC = WHI, Soth. 4/18/88. | Nürnberg. | Zinner 1; Hamilton 2; Bryden 16; RSW. | |
| REIFFEL, C., AND N. THORN | USA, c.1848, MIM | patented a new form of dividers in 1848. | New York, N.Y. | USNM. | |
| REIGER, P.J. | Germany, MIM | Sector = Evans Coll. | Augsburg. | Evans 1. | |
| REIGNE | France, 18th Century, NIM | Octant, wood with silver trim = ROU-79. | Marseille. | Daumas 1; RSW. | |
| REIMANN, I. | Germany, c.1850, MIM | showed at the Great Exhibition of 1851 in London. | Berlin, Prussia. | G.L'E. Turner 24. | |
| REINE, R. | England, fl.1673-80, OIM | made optical glass. | Lime Street, between Leadenhall and Fenchurch Streets, London. | Taylor 1(367); Evans 1. | |
| REINELT, PAUL | Germany, MIM | Pair of Globes = Stiftsbibliothek, Braunau in Böhmen. | Zinner 1. | ||
| REINERUS GEMMA | same as Gemma Frisius, which see. | Baillie 1. | |||
| REINHOLD, ERASMUS 1 | Germany, 1511-55, | astronomer; author. | Wittenberg. | Michel 3. | |
| 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. | |
| 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. |
| REINMANN | Germany, MIM | Diptych Sundial, ivory = BASH. | punchmark is a moon. | Price 2. | |
| REINMANN, BENEDIKTUS | Germany, fl.1564-75, MIM | Master in 1564; made ivory diptych sundials; sometimes spelled "Reymann." | Nürnberg. | Michel 3; Gouk 1. | |
| 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. |
| 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. |
| REINMANN, GEORG 3 | Germany, fl.1575-85, MIM | made sundials. | Nürnberg. | Gouk 1. | |
| REINMANN, HANS 1 | Germany, 1547-71, MIM | Master in 1565; made sundials. | Nürnberg. | Michel 3; Gouk 1. | |
| REINMANN, HANS 2 | Germany, d.1627, MIM | father of Hans Reinmann 3; made sundials. | Nürnberg. | Gouk 1. | |
| REINMANN, HANS 3 | Germany, d.1628, MIM | son of Hans Reinmann 2; made sundials. | Nürnberg. | Gouk 1. | |
| 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. |
| REINMANN, JORG | see Georg Reinmann. | Zinner 1. | |||
| 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. |
| REINTHALER, CHRIST. FRIED. ERNST | Germany, 1783, OIM | Solar Microscope, 1783 = DRE. | Leipzig. | Dewhirst; Clay and Court; RSW. | |
| 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. | |
| REISCH, LEONHARD | Germany, c.1701, MIM | Celestial Globe, 1701 = Wien Schottenstift. | clockmaker; author; the globe is signed "Leonhardus Reisch Algojus." | Oberdorf. | Zinner 1. |
| REISSIG | Germany, c.1803, MIM OIM | instrument maker to the court at Kassel. | Kassel. | Ashbrook. | |
| REITA, ANTHONY MARIA VON SCHYRLE DE | Germany, 1597-1660, | invented a new telescope eyepiece; author. | Dewhirst; Clay and Court. | ||
| REITER, M. | see Prof. Bohme and M. Reiter. | RSW. | |||
| REITZEL, C.A. | England?, c.1850, MIM | Celestial Globe = Soth. 4/18/88. | ten-inch N. Anderson globe constructed by Reitzel. | RSW. | |
| RELTING, A. | c.1760, MIM | Diptych Sundial, wood = Evans Coll. | Evans 1. | ||
| RENARD 1 | see Renaud. | Pipping 1. | |||
| RENARD 2 | France, c.1750, MIM SIM | Graphometer = Koller, May, 1972. | Paris. | RSW. | |
| 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. | |
| RENAUD | France; Germany, 1790, PHIM | Thermometer, 1790 = GEM. | Strasbourg; Berlin. | Pipping 1; A.J. Turner 10. | |
| 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. |
| RENCH, E. | England, c.1840, PHIM | Wheel Barometer = D.(1976). | Grey Inn Terrace, London. | RSW. | |
| RENNISON | England, 19th Century, NIM | Quadrant = SUN. | Station Road, Barry Docks, Sunderland. | RSW. | |
| RENNISON AND SON | England, 19th Century, NIM | Octant = D.(1973). | North Shields. | RSW. | |
| RENNOLDSON | England, c.1800, MIM | Drawing Instrument Set, incomplete = Sotheby's 5/11/94. | either J.A. or Isaac Rennoldson; T.C. | RSW. | |
| 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). | |
| 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. |
| 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. |
| RENWICK, JAMES | England, fl.1844-47, PHIM | barometer and thermometer maker. | 2 Booths Place, Turnmill Street, London. | Goodison 1. | |
| REOHAN, THOMAS | misreading for Keohan. | Taylor 2(2218). | |||
| 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. |
| REPSOLD, A., UND SOHNE | Germany, 1867, MIM OIM | Adolf Repsold and two of his sons. | Hamburg. | J.A. Bennett 2. | |
| 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. | |
| 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. |
| 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. | |
| 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. | |
| RESCOW, JOHN | England, c.1710, MIM | Liverpool. | Taylor 2(108); Bryden 9. | ||
| 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. |
| RESI, HANS | name marked on mining compass signed "H.G." (6) at GRA. | Zinner 1; Michel 3. | |||
| 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. |
| RESTELL | England, 19th Century, PHIM | Wheel Barometer = Phillips 1/30/84. | Croyden. | RSW. | |
| RETTING, E. | Germany, MIM | Diptych Sundial, wood = OXF. | Zinner 1. | ||
| 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. |
| REW, ROBERT | England, fl.1755-65, OIM | described as one of the workmen of John Dollond 1. | London. | Taylor 2(528); Daumas 1. | |
| REYBORNE, J., AND SONS | England, MIM | Rule, folding, ivory = Christie-Geneva 11/20/79. | RSW. | ||
| REYMANN | see Reinman. | Michel 3. | |||
| REYNERUS, GEMMA | see Gemma Frisius. | A.J. Turner 10. | |||
| REYNOLDS | England, c.1850, MIM SIM | Level and Inclinometer = D.(1994). | probably J.A. Reynolds of J.A. Reynolds and Co. | Birmingham. | Garcelon 33. |
| REYNOLDS AND CO. 1 | England, c.1840, NIM | Pelorus = Marine Museum, Horten, Norway; Nautical Instrument = AMST. | Tower Hill, London. | Mörzer Bruyns 1; RSW. | |
| REYNOLDS AND CO. 2 | England, MIM | Surveyor's Level = Soth.-West Sussex 10/18/83. | see J.A. Reynolds and Co. | Birmingham. | RSW. |
| 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. |
| 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. |
| REYNOLDS, J. | England, PHIM | Wheel Barometer = X. | St. Austell. | Goodison 1. | |
| 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. |
| 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. | |
| 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. | ||
| 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. | ||
| REYNOLDS, WILLIAM | England, fl.1827-80, MIM | merged with John Lilley and Son(s) in 1880, as Lilley and Reynolds Ltd. | London. | Brewington 1. | |
| 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. | |
| REYNOLDSON, THOS. | England, PHIM | Wheel Barometer = X. | 7 Queen Street, Hull. | Goodison 1. | |
| 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. |
| RIBALDI, A. | Ireland, PHIM | Barometer = D.(1955). | Limerick. | RSW. | |
| RIBALDI, J. | Ireland, PHIM | Wheel Barometer = X; Stick Barometer = X. | Limerick. | Goodison 1. | |
| 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. | |
| RIBOLDI, L. | Ireland, PHIM | Wheel Barometer = Phillips 5/8/85. | Limerick. | Morrison-Low and Burnett. | |
| RIBON | France, PHIM | Balance, small = Chateau de Barbie, Albi. | "Balancier." | à l'Rue Couronné Cour St. Martin N. 8, Paris? | RSW. |
| RIBOUT | France, MIM | Architect's Scales = WHI. | RSW. | ||
| RIBRIGHT AND SON | England, fl.1778-82, OIM | George Ribright and his son, Thomas Ribright 2. | London. | Taylor 2(529)(758); Goodison 1; RSW. | |
| 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. |
| 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. |
| 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. |
| RICCIOLI | Ireland, c.1661, MIM | Rule = BRP. | Price 2. | ||
| RICE, THOMAS | England, fl.1640-60, MIM | gunner at the Tower; made many sundials. | The Tower, London. | Taylor 1(1960; Evans 1; Gatty. | |
| RICH, JAMES | England, 1771, NIM | Backstaff, wood, 1771 = D.(1973). | Wynter and Turner. | ||
| RICH, MOSES | England, NIM | Octant = Woodman Institute, New Hampshire. | London. | USNM. | |
| 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. | |
| 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. | |
| RICHARDS, DAVID | England, c.1834, OIM | also made chronometers. | 27 Church Street, Birmingham. | Taylor 2(1978). | |
| RICHARDS, ESTHER | England, fl.1801-08, MIM | rule maker. | 94 Lichfield Street (1801); 95 Lichfield Street (1808); both in Birmingham. | Bryden 9. | |
| 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. | ||
| RICHARDS, JOHN 2 | England, c.1818, MIM | rule maker; may be the same as John Richards 1. | Lichfield Street, Birmingham. | Bryden 9; RSW. | |
| 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. | |
| 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. |
| 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). | |
| 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). | |
| RICHARDSON, JOSEPH | USA, PHIM | Gold balances (3) in case = Soth. 1/22/25. | Philadelphia, Pa. | RSW. | |
| 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. | |
| RICHARDSON, WILLIAM | Ireland, fl.1784-86, OIM | optician. | 4 East Cole Alley, Dublin. | Bryden 9; Morrison-Low and Burnett. | |
| 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). | |
| RICHBOURG | France, MIM | Universal Sundial = Soth. 5/29/61. | Paris. | RSW. | |
| RICHER | France, | son of Jean-François Richer. | Daumas 1. | ||
| 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. |
| 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. |
| RICHLOT | Germany, MIM | Mining Set = HAK. | RSW. | ||
| RICHTER, E.O., AND CO. | England, MIM | Draftsman's Kit = Weschler 5/22/76. | RSW; WEBDB. | ||
| RICHTER, JOHANNES | see Praetorius. | Michel 3. | |||
| RICKARDS, JOSEPH | England, | apprenticed to William Elliot 1 in the Joiners' Company on April 30, 1816. | Crawforth 7. | ||
| RICKETT, W. | England, c.1786, OIM | Horary Quadrant = KEN. | Taylor 2(885); Daumas 1. | ||
| RIDEL | France, NIM | Marine Compass = Historical Society of Old Newbury, Mass. | Nantes. | USNM. | |
| RIDER, JOB | Ireland, fl.1805-09, | partner of Henry Gardner, 1805-09; watch and clock maker. | Belfast. | Morrison-Low and Burnett. | |
| RIDER, WILLIAM | England, fl.1832-34, MIM NIM OIM PHIM | advertised sextants. | 22 Ashton Street, Poplar, Borough, London. | Taylor 2(1684); O'Mara. | |
| RIDLEY, MARK | England, 1560-1624, MIM | author; sundial maker. | Cambridge. | Taylor 1(56). | |
| RIEBENHAUSEN | Germany, 17th Century, MIM SIM | Circumferentor = Munich Geodätisches Institut. | Zinner 1. | ||
| RIEDIG, M.C.G. | Germany, 1820-22, MIM | Celestial Globe, 1822 = DRE; Terrestrial Globe, 1820 = DRE. | Leipzig. | RSW. | |
| RIEDIGER, ADAM | Switzerland, c.1735, MIM | Table Sundial, 1735 = STU; Celestial Globe = Bern Stadtbibliothek. | Berne. | Zinner 1. | |
| 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. |
| 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. |
| 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. |
| RIEPENHAUSEN, J.C. | MIM | Analemmatic Sundial = MLL. | RSW. | ||
| RIESEN, A.B. | marked on a surveying instrument signed "C.T.F. Anno 1589 M.S." at DRE; it is "M.S." (5). | RSW. | |||
| RIESS, PROF. | Germany, 1840, MIM | Chronoscope, 1840 = WUP. | Stuttgart. | RSW. | |
| RIGAUD, DE SAINT | France, c.1610, | designed the capuchin sundial. | Cousins. | ||
| RIGG, CUTHBERT | 1708, | Instrument, 1708 = University of Miss. | owner? | Price 2. | |
| 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. |
| 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. |
| RIGGS AND CO. | USA, c.1825, NIM | Marine Compass = D.(1972). | Philadelphia, Pa. | Moskowitz 103. | |
| 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. |
| RIJSMA, A. | Holland, MIM | Orrery = Phillips 5/20/75. | Steijnmoller. | RSW. | |
| 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. | |
| RILEY AND STEVENS | USA, PHIM | Stick Barometer = VNN. | New Orleans, La. | RSW. | |
| RIMMINGTON 1 | England, c.1850, PHIM | Wheel Barometer with Thermometer = Soth. 5/1/86. | Lubenham. | RSW. | |
| RIMMINGTON 2 | England, c.1850, PHIM | Wheel Barometer = Christie-SK 5/15/96. | Bradford. | RSW. | |
| 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. |
| RINALDINI | Italy, 17th Century, MIM | Quadrant = Geographical Institute, Florence. | RSW. | ||
| RING | Germany, c.1800, MIM OIM | Universal Equatorial Sundial = WHI. | microscope maker. | Berlin. | Bryden 16; Clay and Court; Dewhirst. |
| RINGELBERGH, JOACHIM STERCK VAN | Antwerp, fl.1499-1536, MIM | he was reported to have made a ring sundial. | Ringelberg. | Zinner 1. WEBDB. | |
| RINSEN, ANTHONY | Hollandfl.1748-65, MIM PHIM | Daumas listed him as English. | Leiden. | Daumas 1; Rooseboom 1. | |
| RINSEN, J. VAN | Holland, c.1750, PHIM | made air pumps. | Leiden. | Rooseboom 1. | |
| RIPARMENTI | France, c.1820, PHIM | Marine Barometer = D.(1983). | Bordeaux. | Wynter; RSW. | |
| 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. |
| 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. | |
| 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. | |
| 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. |
| RIPLEY, THOMAS 2 | England, c.1778, | apprenticed to Thomas Ripley 1, his father, in the Grocers' Company on Sept. 10, 1778. | J. Brown 1. | ||
| RIPLEY, THOMAS 3 | England, pre-1813, MIM | Hakney. | RSW. | ||
| RIPLEY, THOMAS BRAND | England, c.1805, | apprenticed to James Ripley of the Grocers' Company in 1805; grandson of Thomas Ripley 1. | J. Brown 1. | ||
| RIQUET | France, MIM | Wall Sundial = Cie. du Canal du Midi, Toulouse. | see Maison Riguet. | Boursier. | |
| RIQUET, MAISON | France, MIM | Wall Sundial = house at Echirolles (Haute Garonne). | see Riquet. | Boursier. | |
| 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. | |
| RISSO, JOHN 1 | Scotland, c.1783, PHIM | barometer and thermometer maker. | Saltmarket, Glasgow. | Bryden 3 & 10; Goodison 1. | |
| RISSO, JOHN 2 | England, c.1805, PHIM | Wheel Barometer = Lotherton Hall; Stick Barometer = Temple Newsham; both in Leeds. | Leeds. | Goodison 1; RSW. | |
| 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. | |
| 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. | |
| 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. | |
| 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. | |
| 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. |
| 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. |
| 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. | |
| 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. | |
| RITCHINGHAM | England, c.1790, NIM OIM | Sextant = NMM-S.35. | London. | Taylor 2(1033); NMM 2; RSW. | |
| RITTENHOUSE | USA, c.1780, MIM SIM | Surveyor's Compass = USNM | could be David or Benjamin Rittenhouse. | Philadelphia, Pa. | USNM. |
| 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. |
| 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. |
| 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. |
| 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. |
| RITTENHOUSE, BENJAMIN AND J. THOMAS | USA, MIM SIM | Surveyor's Compass = D.(1978). | Antiques, June, 1978. | ||
| 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. |
| RITTENHOUSE, DAVID 2 | USA, c.1800, MIM SIM | probably the son of Benjamin Rittenhouse; see Rittenhouse and Compy. | Worcester Township, Pa. | B.R. Forman. | |
| 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. |
| RITTLER, EUSTACH | Germany, 1826, MIM | Beam Compass, 1826 = AUG. | RSW. | ||
| 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. | |
| RIVA | Scotland, PHIM | Wheel Barometers = X (2). | could be A. (1), C., J., or M. Riva, which see. | Glasgow. | Goodison 1. |
| RIVA AND BEARELLI | England, PHIM | Wheel Barometer = Christie 1/26/90. | may be F. Riva, which see. | Reading. | RSW. |
| RIVA, A. 1 | Scotland, c.1823, PHIM | Wheel Barometer = X. | see Riva; carver, gilder. | 70 East High Street, Glasgow. | Goodison 1. |
| RIVA, A. 2 | England, PHIM | Wheel Barometer = X. | Marlborough. | Goodison 1. | |
| RIVA, C. | Scotland, PHIM | Stick Barometer = X. | Glasgow. | Goodison 1. | |
| RIVA, F. | England, PHIM | Wheel Barometer = X. | see Riva and Bearelli. | Reading. | Goodison 1; RSW. |
| RIVA, FERDINANDO | England, fl.1830-34, OIM PHIM | barometer maker. | 7 Watson Walk, Sheffield. | Goodison 1; Taylor 2(1979). | |
| RIVA, G. AND CO. | England, PHIM | Wheel Barometer = X. | Goodison 1. | ||
| RIVA, GIOVANNI | Italyc.1750, MIM SIM | Magnetic Compasses for plane tables = P.C., P.C. (1987); Compass box, 1750 = BM. | Venice. | Price 3; RSW. | |
| RIVA, J. | Scotland, OIM | Refracting Telescope = FRK, P.C. | RSW. | ||
| 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. |
| 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. |
| RIVA, P. | Scotland, 19th Century, PHIM | Wheel Barometers = X, Phillips 12/12/89. | Edinburgh. | Goodison 1; RSW. | |
| RIVA, P., AND CO. | Scotland, 19th Century, PHIM | Wheel Barometer = X. | Edinburgh. | Goodison 1. | |
| RIVA, S. | MIM | Compass = ROM | RSW. | ||
| RIVARD | France, c.1750, | author; wrote on sundials. | RSW. | ||
| 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). | |
| RIVIERO, DIEGO | Spain, c.1523, MIM | made astrolabes, etc. | Seville. | Michel 3. | |
| RIVINGTON, JAMES | USA, c.1778, | advertised Peter Dollond's telescopes for sale, May, 1778. | New York, N.Y. | USNM. | |
| RIVOLTA 1 | Scotland, c.1844, PHIM | see Lilly and Rivolta 1; probably Stephen Lilly. | Bell 2. | ||
| RIVOLTA 2 | England, c.1820, PHIM | Wheel Barometer = D.(1987). | RSW. | ||
| RIVOLTA AND CO. | England, PHIM | Wheel Barometer = X. | Goodison 1. | ||
| RIVOLTA, A. 1 | England, PHIM | Wheel Barometers = X (3). | might be A. (2), Alex or Anthony Rivolta as no town is given. | Goodison 1. | |
| 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. |
| 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. |
| 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.. |
| RIVOLTA, D. 1 | PHIM | Wheel Barometer = X. | may be the same as D. Rivolta 2, which see. | Goodison 1. | |
| RIVOLTA, D. 2 | Scotland, PHIM | Wheel Barometer = RSM. | Edinburgh. | Goodison 1. | |
| RIVOLTA, F. 1 | England, PHIM | Wheel Barometer = X. | Macclesfield. | Goodison 1. | |
| RIVOLTA, F. 2 | England, PHIM | Stick Barometer = X. | Reading. | Goodison 1. | |
| RIVOLTA, F., AND CO. | England, c.1775, PHIM | Wheel Barometer = 1975 Auction Cat. | F. Rivolta (1) and Co. | Macclesfield. | RSW. |
| RIVOLTA, J., AND CO. | England, PHIM | Wheel Barometer = X. | might be F. Rivolta and Co. | Macclesfield. | Goodison 1; RSW. |
| RIVOLTA, L. | England, PHIM | Wheel Barometer = X. | Goodison 1. | ||
| RIVOTTA | England, | see Marzoratti and Rivotta; F. Rivolta 2 ? | Bell 2. | ||
| 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. |
| 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. | |
| RIZAUD | France, | instrument maker. | Paris. | Evans 1. | |
| RIZZI, A. | England, PHIM | T.C. on the back of a wheel barometer. | RSW. | ||
| 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. | |
| 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. |
| 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. |
| ROACH, L. | USA, c.1850, PHIM | Barometer = Nat'l Air and Space Museum, Washington, D.C. | New York, N.Y. | USNM. | |
| 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. |
| ROBBINS, J. AND C. | England, 19th Century, OIM | Microscope = Phillips 10/26/83. | 9 Bartholomew Close, London. | RSW. | |
| ROBELOU, ISAAC | England, c.1719, PHIM | Stick Barometer, 1719 = KEN. | London. | Goodison 1; McConnell 1. | |
| 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. | ||
| ROBERT | France, c.1840, PHIM | Barometer = Versailles 11/20/83. | signed "Robert opticien" with address. | passage Saint-Pierre, N. 4, Versailles. | RSW. |
| 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. |
| 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. | |
| 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. |
| ROBERT OF CHESTER | England, c.1140, MIM | Chester. | Gunther 3. | ||
| ROBERT, HENRI 1 | France, 17th Century, MIM | Diptych Sundial, ivory = ROU-103. | Marseilles. | Michel 3; RSW. | |
| ROBERT, HENRI 2 | see MM. de Peyronny et Henri Robert. | ADL; RSW. | |||
| 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. |
| ROBERT, JONA FRANCIS | Holland, fl.1783-86, | made the ecliptic circle for the orrery by Eeckhout. | Middleburg. | Mörzer Bruyns 2. | |
| ROBERT, MASTER | France, 1377, MIM | sundial maker; made an almanac for the Duke of Burgundy in 1377. | Dijon. | A.J. Turner 10. | |
| ROBERT, THEODORE | England, NIM | Sextant = D.(1976). | 34 Strand Street, Liverpool. | RSW. | |
| ROBERTS 1 | England, PHIM | Wheel Barometer = X. | Stonehouse. | Goodison 1. | |
| ROBERTS 2 | England, NIM | see Simpson and Roberts. | 34 Strand Street, Liverpool. | RSW. | |
| 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. |
| 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. |
| ROBERTS, GEORGE | England, c.1765, | apprenticed to his father, Edward Roberts 1, in the Joiners' Company on Oct. 29, 1765. | Crawforth 7. | ||
| ROBERTS, HENRY | England, c.1834, OIM | 48 Inge Street, Birmingham. | Taylor 2(1981). | ||
| 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. | |
| ROBERTS, RICHARD | England, 18th Century, PHIM | balance maker. | Bartholomew Lane, near the Royal Exchange, London. | Taylor 2(1036). | |
| ROBERTS, SAMUEL | England, fl.1755-1800, MIM | Sundials = Churchyards at Llonbrynmair, Llanfair Caereimion, and Manafan, Mont. | Llanfair Caereinion. | Peate. | |
| ROBERTS, THOMAS | England, pre-1864, OIM | Telescope = D.(1989). | 3 Strand Street, Liverpool. | Rinaldi 23. | |
| 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. | |
| ROBERTS, WILLIAM 2 | England, c.1773, | apprenticed to Edward Roberts 1 (his grandfather?) in the Joiners' Company on Sept. 7, 1773. | Crawforth 7. | ||
| ROBERTS, WILLIAM 3 | England, fl.1822-41, MIM | made rules of boxwood and ivory. | 21 West Bar, Sheffield. | Taylor 2(1686); Crawforth 6. | |
| ROBERTSON, DR. | England, pre-1830, | patented an improvement for the marine barometer; an example is in the VNN. | London. | RSW. | |
| 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). |
| ROBERTSON, R. | NIM | Octant = Brown University, Providence, R.I. | USNM. | ||
| 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. |
| ROBERVAL | see Gilles Personne. | RSW. | |||
| 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. | |
| ROBIJN, JACOBUS | Holland, c.1649-1701, NIM | made cross-staves, 1688; succeeded by Joachim Hasebroek | Nieuwebrugsteeg, Amsterdam. | Mörzer Bruyns 2. | |
| ROBILOU, ISAAC | England, 1719, PHIM | Stick Barometer, 1719 = X. | London. | Tyler. | |
| 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. |
| 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. | |
| ROBINSON | England, c.1850, PHIM | Stick Barometer = Soth.-S 4/24/87. | see Robinson Bros. | 53 Bishopsgate Street, London. | RSW. |
| 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. | |
| 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. |
| ROBINSON, B.C. | England, c.1854, MIM | T.C.; made chronometers. | Middlesborough. | Crawforth 1. | |
| ROBINSON, BURNHAM AND CO. | USA, c.1831, MIM | watchmakers. | Danvers, Mass. | Smart 1. | |
| ROBINSON, DANIEL | England, 19th Century, PHIM | Money Balance = Versailles 4/17/83; Wheel Barometer = Phillips-Leeds 12/16/87. | Bradford. | RSW. | |
| ROBINSON, H. | England, c.1860, PHIM | Stick Barometer = Soth.-S 1/25/89. | South Shields. | RSW. | |
| 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. | ||
| 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. | |
| ROBINSON, JAMES, AND SONS | Ireland, fl.1885-1910, OIM | Dublin. | Morrison-Low and Burnett. | ||
| 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. | |
| 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. | |
| 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. | ||
| ROBINSON, L. | England, MIM SIM | Surveyor's Compass = Naval Training Center Historical Museum, Cal. | Liverpool. | USNM. | |
| 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. |
| ROBINSON, THOMAS ROMNEY | England, 1792-1882, | Rev. Dr. Robinson; invented the windmill-type anemometer in 1846. | G.L'E. Turner 24. | ||
| 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. | |
| 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. |
| ROCHEL, HANS T. | misreading for Troschel. | Pugsley Sale. | |||
| ROCHET | see Rochette, Gaspard. | RSW. | |||
| ROCHETTE | France, c.1820, PHIM | Barometer = Nouveau Drouot 5/20/88. | Rochette Jeune ? | Quais de l'Horloge, No. 81, Paris. | RSW. |
| 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. |
| 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. |
| ROCHETTE, PERE | France, OIM | Telescope = Versailles 11/19/78. | Rochette père; may be Gaspard Rochette. | Paris. | RSW. |
| ROCHON | France, c.1790, MIM OIM | developed a micrometer for telescopes. | A.J. Turner 10. | ||
| 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. |
| RODELLA, GIUSEPPE | Italy, fl.1595-1620, | instrument maker. | Padua. | Evans 1. | |
| RODGERSON, W. | England, NIM PHIM | Marine Barometer = X. | T.C.; manufacturer of nautical instruments; printer. | 10 St. James Street, Liverpool. | Goodison 1; RSW. |
| RODGERSON, WILLIAM | England, fl.1835-90, MIM OIM | Chathan Buildings, Liverpool. | Taylor 2(2222); Crawforth 6. | ||
| RODRIGAS | Spain, OIM | Telescope = Observatory, Madrid. | Madrid. | RSW. | |
| 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. | |
| ROE 1 | England, PHIM | Wheel Barometer, with watch = Soth.-S 9/18/86. | the watch movement is signed "Wm. Sharpe, London." | Midhurst. | RSW. |
| ROE 2 | England, c.1850, PHIM | Wheel Barometer = Soth. 6/27/88. | Godalming. | RSW. | |
| 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 |
| ROELOFS AND RIENKS | Holland, c.1825, MIM OIM | microscope and telescope makers; Arjen Roelofs and Syds Johannes Z. Rienks. | Friesland. | Dewhirst. | |
| ROELOFS, ALBERT | Holland, 1745-1809, OIM | brother of Pieter and Arjen Roelofs. | Hijum. | Rooseboom 1. | |
| 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. | |
| ROELOFS, PIETER | Holland, 1742-1801, MIM OIM | brother of Albert and Arjen Roelofs. | Hijum. | Rooseboom 1. | |
| 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. | |
| ROGER, MARK | England, c.1814, | developed a new slide rule for compounding interest. | G.L'E. Turner 24. | ||
| ROGERS, J. | England, fl.1755-1828, OIM | wrote on telescopes. | Taylor 2(532). | ||
| 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. | |
| ROGERSON AND CO. | England, NIM | Octant = OMM. | 11 South Lombard Street, Liverpool. | RSW. | |
| 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. | |
| ROHDE, F., ET FILS | Russia, c.1850, MIM OIM | Gunner's Square = P.C. | "opticiens et mecaniciens." | St. Petersburg. | RSW. |
| ROHLEIN, CHRISTOFF | Germany, 1680, MIM | Astronomical Compendium, 1680 = P.C. | Christoff Röhlein. | Dresden. | Pippa. |
| ROHR, NIELS | see Niels Rohr Bangs. | RSW. | |||
| 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. | |
| ROLANDS, J. | England, PHIM | Wheel Barometer = X. | Goodison 1. | ||
| ROLAS VAN VRIES, J. | Holland, 1642, MIM | Astrolabe, 1642 = X. | Amsterdam. | Michel 2. | |
| 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. |
| 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. |
| 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. |
| 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. | ||
| 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. | ||
| ROM:KAY:MAY: | Austria, 1709, MIM | Inclinometer, 1709 = VIT. | Salzburg. | Kirnbauer 1. | |
| ROMANS, BERNARD | USA, fl.1720-84, | made improvements to the marine compass, 1733; geographer and cartographer. | Bedini 8. | ||
| ROMLEY, CHRISTOPHER | England, c.1750, | founder; T.C. | at the Sign of the Three Bells in Horse-Shoe Alley, Middle Moorfields, London. | Crawforth 1. | |
| RON, ANDREAS | Germany, 1572, MIM | Astronomical Clock, 1572 = X. | Augsburg. | Neumann 1. | |
| RONCHATE, BAPTIS | England, PHIM | Double Barometer = OXF. | probably Giovanni Battista Ronchetti, which see. | Goodison 1 and 5. | |
| RONCHETI | England, c.1800, PHIM | Stick Barometer = Soth. 10/22/87. | signed "Roncheti fecit." | RSW. | |
| 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. |
| 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. |
| RONCHETI, BAPT., AND CO. | England, PHIM | Angle Barometer = Gloucester Museum; Stick Barometers = X (2). | probably Giovanni Battista Ronchetti. | Goodison 1. | |
| RONCHETI, T. | England, PHIM | Stick Barometer = X. | Bristol. | Goodison 1. | |
| RONCHETTI 1 | England, PHIM | Wheel Barometer = X. | could be either Edmund or Thomas Ronchetti. | Exeter. | Goodison 1. |
| 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. |
| RONCHETTI 3 | see P. Martinelli, Ronchetti and Co. | Goodison 1. | |||
| 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. | |
| RONCHETTI, BAPST., LOMAS AND CO. | England, c.1800, PHIM | Stick Barometer = Soth. 6/4/92. | surely Baptiste Roncheti, which see. | Manchester. | RSW. |
| RONCHETTI, CHARLES JOSHUA | see Joshua Ronchetti 1. | Goodison 1. | |||
| RONCHETTI, EDMUND | England, PHIM | barometer maker. | Waterbeer Street, Exeter. | Goodison 1. | |
| RONCHETTI, J. 1 | England, PHIM | Stick Barometer = RSM. | optician; probably Joshua Ronchetti 1 or 2. | Manchester. | Goodison 1. |
| 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. |
| RONCHETTI, JOHN | Italy; England, fl.1836-38, PHIM | barometer maker. | 25 Hatton Garden, London. | Taylor 2(2223); Goodison 1. | |
| 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. | |
| 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. | |
| 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. |
| 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. |
| 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. | |
| RONCHETY, I. AND M. | England, PHIM | Stick Barometer = X. | probably John Merry Ronketti | Goodison 1. | |
| RONCI | England, PHIM | Wheel Barometer = X. | London. | Goodison 1. | |
| RONCORONE, FRA. | England, PHIM | Stick Barometer = X. | London. | Goodison 1. | |
| RONDELET | France, 1789, | instrument maker at PBN. | Evans 1?; RSW. | ||
| RONDINI, JEAN | England, c.1815, OIM | held a patent on dioptric telescopes. | London. | Dewhirst. | |
| RONKETTI | England, c.1825, PHIM | Stick Barometer = D.(1977). | Manchester. | RSW. | |
| RONKETTI AND CO. | England, PHIM | see John Merry Ronketti. | Goodison 1. | ||
| RONKETTI, B. | England, PHIM | Wheel Barometer = X. | see Bapt. Roncheti. | Manchester. | Goodison 1. |
| 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. |
| 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. |
| 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. | |
| 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. | |
| 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. | |
| 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. | |
| RONKETTI, JOSEPH 1 | England, fl.1820-22, PHIM | barometer maker. | 8 Back Hill, Hatton Garden, London. | Taylor 2(1690). | |
| RONKETTI, JOSEPH 2 | England, fl.1854-60, PHIM | barometer and thermometer maker. | 31 Northampton Road, London. | Goodison 1. | |
| RONKITTE, J.M. | see John Merry Ronketti. | Goodison 1. | |||
| RONLEY, JOHN | England, MIM OIM | Micrometer = WHI. | moving-wire eyepiece micrometer. | J,A. Bennett 2. | |
| RONN, W. VON, UND F.A. HUHN | Germany, c.1827, NIM | W. von Rönn und F.A. Hühn. | Schück. | ||
| 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. | |
| ROOKE, J. | England, PHIM | Wheel Barometers = X (2). | Goodison 1. | ||
| ROOKER, JAMES EDWARD | England, fl. approx. 1850s | small pocket telescope=PC | 54 Newington Causeway | WEBDB | |
| 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. |
| ROORISTER, C.V. | Germany, c.1843, | invented a computing scale made by Ertel und Sohn. | Munich. | Brieux 2. | |
| ROOSE, THOMAS | England, c.1828, MIM | 16 north Side, Old Dock, Liverpool. | Taylor 2(1691). | ||
| ROOSEBOOM, JAN | Holland, c.1809, MIM OIM SIM | made telescopes and surveying instruments. | Buiksloot. | Rooseboom 1. | |
| ROOSENBOOM, JN. | Holland, c.1825, NIM | Zak Sextant = AMST. | Amsterdam. | Mörzer Bruyns 1. | |
| ROOTS, EDWARD | England, c.1728, MIM | apprenticed to Benjamin Macy of the Clockmakers' Company on Dec. 20, 1728. | J. Brown 3. | ||
| 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. | |
| RORDORF | Italy, c.1825, PHIM | Stick Barometer = Phillips 7/20/83. | "Toledo N.286 à Naples." | Naples. | RSW. |
| ROSA, FELIX | France, | Félix Rosa; worked for Vaucanson, which see. | Daumas 1. | ||
| ROSAI, F. | England, PHIM | Stick Barometer = X. | Goodison 1. | ||
| ROSAPINI, P. | England, PHIM | Wheel Barometer = X. | Ticehurst. | Goodison 1. | |
| ROSATTE, J. | England, PHIM | this name appears on a printed paper barometer scale. | Leeds. | Goodison 1. | |
| ROSCOE, ROBERT | England, fl.1696-1730, MIM | Liverpool. | Bryden 9. | ||
| ROSE, DANIEL | England, MIM | Sundials = Shutts near Ashopton Hall and Derwent Churchyard, Derwent. | Derbyshire. | Gatty. | |
| ROSE, JOHN | England, c.1688, | apprenticed to John Toogood in the Joiners' Company on Dec. 11, 1688. | Crawforth 7. | ||
| 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. |
| ROSEN, CARL | Norway, NIM | Magnetic Compass = NOR. | Fahlun. | RSW. | |
| 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. | |
| ROSENBERG, PETTER | Sweden, c.1730, | instrument maker to the Corps of Engineers. | Stockholm. | Pipping 1. | |
| ROSENFALDT, HANS | Sweden, 1567, MIM | Hans Rosenfäldt made a silver astrolabe for Erik XIV, King of Sweden, for 1,200 marks. | RSW. | ||
| ROSENTALL, I. | England, c.1800, PHIM | Wheel Barometer = Soth. Pulborough 3/1/83. | Burton-on-Trent. | RSW. | |
| ROSENTHAL, GOTTFRIED ERICH | Germany, c.1782, PHIM | made an improvement for a portable barometer. | Stuttgart. | Middleton 1. | |
| ROSENTHAL, J.C. | Germany, 1717, MIM | Table Sundial, 1717 = EMA; Sundial, 1717 = Soth. 5/11/23. | may be the same sundial. | Zinner 1; RSW. | |
| ROSLIN, EUSTACHIUS | Germany, c.1537, | Röslin wrote an explanation of the astrolabe in 1537. | Frankfort. | Zinner 1. | |
| ROSS | England, c.1820, | see Lewis and Ross. | London. | Taylor 2(1624). | |
| ROSS AND CO. | England, c.1859, OIM | Thomas Ross who succeeded his father, Andrew Ross, c.1859. | London. | RSW. | |
| 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. |
| 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. |
| ROSS, THOMAS | England, c.1859, OIM | succeeded his father, Andrew Ross, as Ross and Co. | London. | RSW. | |
| 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. |
| ROSSELL, JOSE | Spain, MIM NIM | Sextant = BAR (2); Artificial Horizon = BAR; Octant = BAR. | José Rossell; T.C. | Plaza de Palacia N. 15, Barcelona. | RSW. |
| ROSSER, ABRAHAM | see Abraham Roper. | Bryden 9; Morrison-Low and Burnett.. | |||
| 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. | |
| 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. |
| 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. |
| ROSSI, GIUSEPPE DE | Italy, c.1615, | printed pair of globe gores by Joducus Hondius in 1615. | Rome. | Yonge. | |
| 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. |
| ROSSI, JOSEF DE | Italy, 1615, | issued globe gores, 1615; "Josef de Rubeis Mediolanensis." | Mediolanus. | Yonge. | |
| ROSSI, JOSEPH F. | Sweden, PHIM | Stick Barometer = NOR; Wheel Barometer = NOR. | the stick barometer is signed "I. Rossi." | Stockholm. | RSW. |
| ROSSI, P. | England, PHIM | Stick Barometer = X. | Goodison 1. | ||
| ROSSITER | England, c.1815, PHIM | Wheel Barometer = Phillips 10/26/83. | signed on the bubble level. | Bridgwater. | RSW. |
| ROSSITER, GEORGE | England, c.1773, | apprenticed to John Blake in the Joiners' Company, Jan. 5, 1773. | Crawforth 7. | ||
| ROSTAND, ED. | France, MIM | Wall Sundial = Villa Ar-Naga, Cambo, B. Pyr. | Cambo, Basse Pyrennées. | Boursier. | |
| ROSTRIGA | Spain, c.1780, MIM PHIM | Sector, wood = MAA; Vacuum Pump, double acting = ISI. | the pump may be signed "Rostriaga." | Madrid. | RSW. |
| ROTH | France, c.1825, MIM | Adding Machine = X. | "Roth Bte." (breveté); see Dr. Roth and M. Wertheimber. | RSW. | |
| 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. | ||
| ROTHKNECHT, JOH. CHRISTOPH | Austria, c.1720, MIM | Universal Ring Sundial = OXF. | Salzburg. | Gunther 2; Evans 1; RSW. | |
| 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. | |
| 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. | |
| ROUCKLEIFFE, JOHN | England, c.1722, | apprenticed to Charles Crick 2 of the Grocers' Company on Aug. 29, 1722. | J. Brown 1. | ||
| ROUGETTE | France, MIM | Miner's Compass with Level = USNM. | see Rouquette. | Nimes. | USNM. |
| ROUQUETTE | France, c.1820, MIM SIM | Graphometer = P.C. | see Rougette. | Nimes. | USNM; RSW. |
| ROUSSE, JACQUES | France, 1691, MIM | Vertical Sundial, slate, 1691 = Church, Coutures. | Coutures. | Gatty. | |
| 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. | |
| ROUSSELLE | France, 1741, MIM | Butterfield-type Sundial, 1741 = NYM. | Paris. | RSW. | |
| 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. |
| 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. | |
| ROUSSEVILLE | France, pre-1701, MIM | made a dialling instrument. | Portaluppi. | ||
| ROUTLEDGE, ADAM | England, fl.1828-34, PHIM | Stick Barometer = X. | signed "Routledge Carlisle." | 32 English Street, Carlisle | Goodison 1. |
| ROUTLEDGE, J. | England, fl.1805-32, | engineer; invented a type of slide rule for engineers in 1810. | Leeds. | Taylor 2(1211); Moskowitz. | |
| ROUX | France, c.1703, MIM | Universal Ring Sundial, silver, 1703 = D.(1976). | Tourraine. | RSW. | |
| ROUX, JACQUES | France, c.1690, MIM NIM SIM | Circumferentor = Chadenet Sale. | Toulon. | RSW | |
| 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. | |
| 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. |
| ROUY, CH. | France, 1817, | invented an orrery in 1817, made by Bour. | Paris. | RSW. | |
| ROVERELLI, ALOYS | Italy, c.1770, MIM | see Antoine Quinquernal and Roverelli. | Florence. | Michel 3. | |
| ROVERENUS, SEXTUS | Italy, MIM | Sector = VEN. | Occulta. | Price 2. | |
| ROWE, ROBERT | England, fl.1703-25, | invented a fluid quadrant. | Taylor 2(110). | ||
| ROWELL, JOHN | England, fl.1733-34, MIM | Sundials, stained glass = Arbury Hall, Warwick (1733), Purley Hall, Berks (1734). | Daniels 1. | ||
| 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). | |
| ROWLAND, JOHN | England, 1724, | free of the Spectaclemakers' Company in 1724. | Crawforth 7. | ||
| 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. |
| 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. |
| ROWLEY | England, c.1850, PHIM | Stick Barometer = Soth. 10/19/87. | optician. | Brighton. | RSW. |
| 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. | |
| 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. |
| 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. |
| 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. |
| ROWLEY, THOMAS | England, OIM PHIM | Wheel Barometer = K. and C. 7/13/73; Microscope, No. 198 = Soth. 12/15/78. | Brighton. | RSW. | |
| ROYER, ABRAHAM | see A.R. 2. | Hamilton 1 and 2. | |||
| RUBEIS | see de Rossi. | Yonge. | |||
| 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. |
| RUBEUS, THEODOSIUS | Italy, 1587, MIM | Sundial, 1587 = POB. | Rome. | Michel 3. | |
| 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. |
| RUDOLPH | Germany, c.1747, MIM OIM | mechanical and optical instrument maker to Count Hans Löser. | Reinharz. | Chaldecott 4. | |
| RUDOLPH, J.G. | Germany, 17th Century, OIM | Telescope = ADL-M446 | signed on objective lens. | Dresden. | Engelmann 1; ADL; RSW. |
| RUELLE | France, 1771, MIM | Horizontal Sundial, 1771 = ADL-M269. | "gravé par Ruelle." | Michel 3; Engelmann 1; ADL; RSW. | |
| 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. | |
| RUFVEN, I. | misreading for John Ruthven, which see. | RSW. | |||
| 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. | |
| 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. | |
| 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. |
| 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. |
| RUGGLES, STEVEN P. | USA?, 1837, MIM | Terrestrial Globe (for the blind), 1837 = Perkins School for the Blind, Watertown, Mass. | Yonge. | ||
| RUGHI, GAETANO | Italy, fl.1820-30, PHIM | made equipment for Leonardo Nobili's electro-magnetic experiments. | Regio Emilia. | Brenni 1. | |
| RUHER, HANS CAROL | Germany, post-1674, MIM | Rüher; made sundials after 1674. | Nürnberg. | Gouk 1. | |
| 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. |
| RUMBALL, SAMUEL | England, c.1838, MIM PHIM | 5 Crane Court, St. Peter's Hill, London. | Taylor 2(2226). | ||
| RUMPF, PHILLIPP | Germany, fl.1822-27, PHIM | Balance = DRE; Heliotropes, 1822, 1827 = X; Barometer, Fortin-type, 1823 = DEU. | Göttingen. | Middleton 1; USNM; RSW. | |
| RUPERT, PRINCE | England, 1663, MIM | invented a mechanical tracing device. | Latham and Matthews, Vol.7 | ||
| RUPP AND GREGG | USA, 1844-53, MIM | Michael Rupp and William Theodore Gregg 1. | New York N.Y. | Moskowitz 122. | |
| 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. |
| 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. |
| RUSHMER | England, c.1850, PHIM | Wheel Barometers = Soth.-S 9/18/86, 7/23/87. | Yarmouth. | RSW. | |
| 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. | ||
| 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. | |
| RUSSELL, ALEXANDER, AND CO. | Scotland, 1834, MIM | Sundial, 1834 = Kirkaldy Museum. | "Kirkaldy Foundry." | 43 High Street, Kirkaldy. | Stevens and Aked. |
| RUSSELL, DANIEL | England, | owner of a quadrant by Owens, Liverpool. | RSW. | ||
| RUSSELL, HENRY | England, c.1827, PHIM | made Taylor-type rain gauges | Kings Square, Goswell Street, London. | Taylor 2(1696). | |
| RUSSELL, JAMES | England, c.1840, MIM | advertised a planetarium. | RSW. | ||
| 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. |
| 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. |
| RUSSELL, WILLIAM | USA, c.1809, | patented an improved marine compass in 1809. | New Bedford, Mass. | Bedini 8; USNM. | |
| RUST | see Spencer Browning and Rust. | RSW. | |||
| 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. |
| 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. | |
| 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. | |
| 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. | |
| 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. | |
| 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. | ||
| 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. | |
| 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. | |
| 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. |
| 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. |
| RUTSCHMANN, JOSEPH | Austria, c.1792, MIM | made an astronomical clock with Pater David Cajetano, Capuc., who was Sebastian Rutschmann. | Michel 3; Zinner 1. | ||
| RUTSCHMANN, SEBASTIAN | Austria, c.1790, | known as Pater David Cajetano, Capuc, which see. | Michel 3; Zinner 1. | ||
| 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. | |
| RUTT, RICHARD, AND SON | USA, 1842, MIM NIM OIM | T.C. | 10 Thames Street, Feld's Point, Baltimore, Md. | Smart 1; Moskowitz 101. | |
| 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. | |
| RUTZIUS, JOHANN PETRUS | Germany, c.1700, MIM | Equatorial Sundial = OXF. | Friedberg. | Zinner 1; Michel 3; Evans 1. | |
| RUVOLO, FRANC. | Italy?, 1687, MIM | Terrestrial Globe, ivory, 1687 = Chicago Historical Society. | signed "Franc. Ruvolo Fecit. Joseph Baranca Sculpsit Octob. 1687." | Yonge. | |
| RUXTON, THOMAS | Ireland, c.1817, MIM | 64 Aungier Street, Dublin. | Taylor 2(1424a). | ||
| RYBURN, ARTHUR | USA?, 1772, NIM | Hadley's Quadrant, 1772 = Essex Institute, Salem, Mass. | on loan to a historic house in Salem. | RSW. | |
| RYCK, ABRAHAM DE | Holland, c.1660, MIM | Leiden. | Rooseboom 1. | ||
| RYDBECK, ANDREAS | 1729, MIM | Perpetual Calendar with Lunar Volvelle, 1729 = NOR. | RSW. | ||
| RYDER, J. | USA, 1854, MIM | Inclinable Sundial, 1854 = D.(1965). | Newark, Ohio. | RSW. | |
| RYHINER, CHARLES | USA, fl.1838-39, MIM SIM | Surveyor's Compass = Missouri Historical Society, St. Louis. | 26 Chestnut Street, St. Louis, Mo. | Smart 1. | |
| RYLAND, THOMAS | England, fl.1801-08, OIM | optician. | Great Charles Street (1801); Mary Ann Street (1808); both in Birmingham. | Bryden 9. | |
| 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. | |
| RYTER, A. | misreading of Augustine Ryther. | Zinner 1. | |||
| 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. |
See an error? Suggest a correction!
This page was generated Tue Dec 10 17:33:51 CST 2024 .