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 O yielded 128 entries. Displaying entries 1–128.Signature | Maker Info | Instruments | Comments | Location | References | Suggest Correction |
O.H.P. | see Ottheinrich Herzog von der Pfalz. | RSW. | suggest correction | |||
O.H.P.C. | Germany, | marked on the back of a horary quadrant by Jacob Rabus at NUR, dedicated to Ottheinrich von der Pfalz, 1556. | Zinner 1. | suggest correction | ||
O.H.S. | O.h.S.; see S.h.O. | Price 3. | suggest correction | |||
O.K.S.P. | 1842, NIM | Traverse Board, 1842 = OMM. | RSW. | suggest correction | ||
O.L. | Sweden, 1737, MIM | Gunner's Scale, 1737 = SKO. | Price 2. | suggest correction | ||
O.R.B. | fl.1567-1612, | mark on sand glasses; Vivielle thought they were made by Hans Ducher of Nürnberg. | Vivielle 1. | suggest correction | ||
OAKES, JOHN | USA, 1818-1910, MIM NIM PHIM SIM | Surveyor's Compass = P.C. | in the New York City Directories from 1848 to 1896 as a mathematical, nautical, and philosophical instrument maker; sometimes spelled "Oaks." | New York, N.Y. | Smart 1; USNM. | suggest correction |
OAKESHOTT, WILLIAM | England, fl.1844-45, PHIM | barometer and thermometer maker. | 29 St. John Street, Clerkenwell, London. | Goodison 1. | suggest correction | |
OAKLEY, JOHN | England, c.1757, | apprenticed to John Morgan 2 in the Joiners' Company on May 3, 1757. | Crawforth 7. | suggest correction | ||
OAKLEY, JOSEPH | England, fl.1767-77, OIM | Upper Priory (1767); 79 Bull Street opposite the Saracen's Head (1770-77); both in Birmingham. | Bryden 9. | suggest correction | ||
OATES, JOHN | England, PHIM | Angle Barometer = X. | Pump, near Halifax. | Goodison 1. | suggest correction | |
OBERHAUSER, G., ET E. HARTNACK | France, fl.1847-56, MIM OIM | Microscopes = Soth. 9/20/83. D.(1984). | Georges Oberhauser and his nephew, Edmund Hartnack. | Place Dauphine, 21, Paris. | Coffeen F; RSW. | suggest correction |
OBERHAUSER, GEORGES | Germany; France, 1798-1868, MIM OIM | Microscopes = HAR, Christie 5/26/76. | breveté; made jewel lenses; worked with Henri-Prudence Gambey, 1815; retired in 1856; "opticien." | Germany (1798-1815); 19 Place Dauphine, Paris. | Pipping 1; Ambler; Dewhirst; Clay and Court; RSW. | suggest correction |
OBERHAUSER, JOHANN | Germany, fl.1759-66, MIM SIM | Theodolite, 1759 = MUN; Mathematical Instrument Set, 1766 = DEU. | Schwaz in Tyrol. | Zinner 1; Price 2. | suggest correction | |
OBERKAN, JOHAN HEINRICH | Switzland, 1690, MIM | Astrolabe, 1690 = Landesmuseum in Grand Hotel, Nancy. | ICA-3202. | Zurich. | Price 1 and 2; ICA 2. | suggest correction |
OCHS, HANS | MIM | Diptych Sundial, gilt-bass = LIE. | Zinner 1; Michel 3. | suggest correction | ||
ODELEM, ANTOR | Germany, 1661-1740, MIM SIM | Theodolites = HAK, Braunschweig Stadt Museum; Astronomical Rings = DRE, P. & S. 3/20/96, Evans Coll.; Table Sundial, 1715 = LUN; Sundials = NOR, Triebold Coll. | P. and S. and Evans Coll. astronomical rings may be one instrument. | Braunschweig. | Zinner 1; Michel 3; Gunther 2; Evans 1; RSW. | suggest correction |
ODELL, JOHN | England; USA, fl.1800-22, MIM NIM OIM SIM | worked for Spencer, Browning and Rust 1 for 20 years; came to USA in 1819; "J. Odell, Maker 1805" is found under the mirror of a Spencer, Browning and Rust octant at the Franklin Institute. | London (1800-19); USA (1819-22). | D.J. Warner 10. | suggest correction | |
ODELSTIERNA, CARL | Sweden, 1753-95, OIM | fl.1780-95; business continued by Peter Helleström. | Stockholm. | Pipping 1. | suggest correction | |
ODENDAL, WILHELM | Germany, 1651, PHIM | Money Balance, 1651 = DRE. | Cologne. | RSW. | suggest correction | |
ODENDOLL, M. BERND | see M. Berndt Odental. | RSW. | suggest correction | |||
ODENKIRCHEN, P., AND S. BOSCH | Holland, PHIM | Wheel Barometer = Hawden-Satter House, Nantucket, Mass. | RSW. | suggest correction | ||
ODENTAL, BERNDT AND JACOB HEUSCHER | Germany, 1699, PHIM | Balance, 1699 = American Numismatic Society, New York, N.Y. | RSW. | suggest correction | ||
ODENTAL, M. BERNDT | Germany, 1651, PHIM | Money Balance, 1651 = DRE. | also spelled "Odendoll." | Cologne. | RSW. | suggest correction |
ODIORNE, JOTHAM | USA, c.1800, SIM | Graphometer = D.(1996). | may be owner. | Gorham, Maine or New Hampshire. | Coffeen 55. | suggest correction |
ODOMALCOT | see Odon van Maecote. | RSW. | suggest correction | |||
OEHLSCHLAGER, ADAM | Denmark, 1599-1671, | mathematicien; designed the Gottorp globe which was made by Busch; see Busch and Oehlschlager. | Gottorp. | H.C. King 2; Michel 3; Zinner 1. | suggest correction | |
OERI | Switzerland, c.1850, MIM SIM | Surveyor's Compass = Western Reserve Historical Society, Ohio. | Zurich. | USNM. | suggest correction | |
OERLE, FRANCOIS VAN | Holland, 1660, MIM | Pocket Sundial, 1660 = AMST. | "François van Oerle Fec A Bolduc ad Poli 52 Grade voor Cosyn Ambrosius Pool an 1660 November 8." | Den Bosch. | Mörzer Bruyns 1 and 2. | suggest correction |
OERTLING | Germany, 1758, NIM | Sextant, 1758 = Soth. 5/19/60. | Berlin. | RSW. | suggest correction | |
OERTLING, JOHANN AUGUST DANIEL | Germany, 1803-66, MIM NIM OIM SIM | Dividing Engine = DEU; Sextant, No. 1859 = D.(1989). | apprenticed to Karl Philipp Heinrich Pistor c.1819; started his own business in 1826 or 1827; first to build electric dividing engine; brother of Ludwig Oertling. | Berlin. | Pipping 1; Poggendorff; G.L'E. Turner 24; J.A. Bennett 2; Weil and Baden; Coffeen 27. | suggest correction |
OERTLING, LUDWIG | Germany; England, 1818-93, PHIM | Laboratory Balances = KEN, Christie-SK 7/10/80. | apprenticed to his brother, Johann August Daniel Oertling, in Berlin; by 1847 he was in business in London; the firm is still going; specialized in precision balances; showed at the Great Exhibition, London, 1851; worked for R.B. Bate; he was in partnership with Edward Wilds Ladd as Ladd and Oertling 1860-70. | Berlin; 13 Store Street, Bedford Square, (1847-); 27 Moorgate Street (-1874); Turnmill Street near Farrington Street Station (1874-); all in London except for Berlin. | G.L'E. Turner 24; Chaldecott 3; RGO; Coffeen 27; McConnell 4; RSW. | suggest correction |
OGDEN, F.B., AND ERICSSON | England, c.1837, | patented sea sounding apparatus in 1837. | London. | USNM. | suggest correction | |
OGG | Scotland, fl.1844-46, NIM | see Ogg and M'Millan; also a watch and clockmaker. | 53 Marischall Street (1844); 30 Regent Quay (1845-46); beth in Aberdeen. | Bryden 3. | suggest correction | |
OGG AND M'MILLAN | Scotland, fl.1844-46, NIM | also made clocks and watches; Ogg and William M'Millan. | 53 Marischall Street (1844); 30 Regent Quay (1845-46); both in Aberdeen. | Bryden 3. | suggest correction | |
OGILVIE, ROBERT A. | England, c.1845, PHIM | barometer and thermometer maker. | 19 Upper Wharton Street, London. | Goodison 1. | suggest correction | |
OHREN, MAGNUS | England, NIM | Mariner's Compass = NOR. | London. | RSW. | suggest correction | |
OKESHOTT, ROBERT | England, c.1664, MIM | apprenticed to Ralph Greatorex of the Clockmakers' Company on June 7, 1664. | J. Brown 3. | suggest correction | ||
OLDFIELD, HENRY | England, 1821, | apprenticed to William George Cook; free in the Masons' Company, March 29, 1821; listed as a victualler. | Crawforth 7. | suggest correction | ||
OLEARIUS | see Oehlschläger. | Zinner 1. | suggest correction | |||
OLING, LUCAS | Holland, 1564, | listed as a maker in a 1824 catalogue of books and instruments. | Leeuwarden. | Rooseboom 1. | suggest correction | |
OLISIPONE | Spain, 1590, MIM | Sundial with compass, 1590 = Soth. 11/17/38. | "Olisipone elaborat A.R.D." | RSW. | suggest correction | |
OLIVA, BONAVENTURA | Italy, c.1782, | invented philosophical instruments. | Mantua. | Offenbacher 22(1970). | suggest correction | |
OLIVE, MICHAEL | England, fl.1849-56, MIM NIM | chronometer, watch and clock maker. | Church Street, 26 Arwenack Street, Falmouth. | H.M. Brown. | suggest correction | |
OLIVER | England, 1892, | patented a meantime sundial in 1892. | RSW. | suggest correction | ||
OLIVER, JOHN | England, 1616-1701, MIM | Window Sundial, glass, 1664 = ex-Rectory, North-hill, Bedfordshire. | may have made the window sundial for the Weavers' Company London, c.1669. | Eagle and Child, Ludgate Hill; Sign of the Ship, Great Old Bailey; both in London. | Gatty; Taylor 1(186); Daniels. | suggest correction |
OLLAND, H. | Holland, 1825-1901, NIM PHIM | Pelorus = AMST. | Utrect. | Mörzer Bruyns 1; G.L'E. Turner 24. | suggest correction | |
OLLER | an elaborate script and much wear caused Engelmann to make this misreading of Coenraad Metz, on ADL-M154. | Zinner 1; Engelmann 1; Rooseboom 1; ADL; RSW. | suggest correction | |||
OLLER, ANTON HENRIK | Sweden, 1816-89, PHIM | made physical apparatus, 1857 on. | Stockholm. | Pipping 1. | suggest correction | |
OLLIVIER | France, c.1770, | brother-in-law of Passemant; took over his workshop on Passemant's death; employed one of Passemant's workers, Nicollet. | Paris. | Daumas 1. | suggest correction | |
OLSCHLAGER | see Oelschlager. | RSW. | suggest correction | |||
OLSEN, CHRISTIAN D. | Norway?, 1824, NIM | Hadley's Quadrant, 1824 = OMM. | RSW. | suggest correction | ||
OLSEN, G.T. | England, c.1830, NIM | Octant = Melun 4/24/83. | O.J. Olsen? | Grimsby. | RSW. | suggest correction |
OLSEN, O.J. | England, 19th Century, NIM | Sextant = K. & C. 6/21/75. | G.T. Olsen? | RSW. | suggest correction | |
OLSEN, T. | England, NIM | Octant, ebony = Christie 12/8/76. | Grimsby. | RSW. | suggest correction | |
OLSSON | Sweden, MIM | Drawing Instrument Set = GMM. | Goteborg. | RSW. | suggest correction | |
ONDERDEWIJNGAART CANZIUS, JACOB HENDRIK | Holland, fl.1771-1838, MIM OIM PHIM SIM | Circumferentors = D., Soth. 11/1687; Telescope = Frisian Maritime Museum, Sneek; Microscope, Dellebarre-type, 1806 = KEN; Air Pump = UTR; Bathometer = APS. | designed and manufactured scientific instruments; he had the first factory in Holland for this purpose, 1797; the microscope in the KEN is also marked "A. Dellebarre." | Delft. | Rooseboom 1; Brieux 2; Crommelin 1; Multhauf 1; Daumas 1; Clay and Court; Nachet; Mörzer Bruyns 2; USNM; RSW. | suggest correction |
ONION, THOMAS | England, fl.1767-1801, MIM | rule maker; he worked in both boxwood and ivory. | Brickhill Lane (1767); Lancaster Street (1787); Great Hampton Street (1797-1801); all in Wolverhampton. | Bryden 9. | suggest correction | |
OOSTERWIJK, SEVERIJN ADAMSON | Holland, fl.1658-85, MIM OIM | clockmaker; made microscopes ? | The Hague. | Rooseboom 1. | suggest correction | |
OOTHOUT, JONAS VOLKAT | USA, 1814-60, MIM SIM | in partnership with Andrew Meneely from 1836 to 1838 at which time Oothout retired. | West Troy, N.Y. | Smart 1; RSW. | suggest correction | |
OPP, C.H. | Germany, MIM | Pedometer = Evans Coll. | Berlin. | Evans 1. | suggest correction | |
OPPELT, I.B. | Germany, fl.1785-1800, OIM | Microscopes = DEU (2), LEY. | the microscopes are dated 1785 and 1800. | Anspach. | Daumas 1. | suggest correction |
OPPEN, J.F.B. | Denmark?, 1795, MIM | Compasses, 1795 = ROS-6886. | ROS Cat.; RSW. | suggest correction | ||
OPPIN, CH | see Choppin. | Nachet. | suggest correction | |||
ORAM, E. | USA, 1831, | received a patent for a terrestrial globe, Jan. 12, 1831. | New York, N.Y. | USNM. | suggest correction | |
ORDYNO, GEORGE | England, c.1830, MIM OIM | Middle Pavement, Nottingham. | Taylor 2(1948). | suggest correction | ||
OREZ, N. | fl.1633-48, MIM SIM | Horizontal Sundials, 1633 and 1648 = Evans Coll; Surveying Quadrant = Drouot 4/7/87. | the quadrant is marked "Factur", it has a protractor and a shadow square. | Evans 1; RSW.. | suggest correction | |
ORIGONI, JOHN | England, fl.1830-47, PHIM | Wheel Barometer = X. | barometer maker; see Grassi, Bergna and Origoni; he was working alone by 1837. | 34 Dean Street, Newcastle (1837). | Taylor 2(1869) & (2195); Goodison 1. | suggest correction |
ORME, CHARLES | England, 1688-1747, MIM PHIM | Angle Barometer, three tubes, 1741 = Goodison Coll.; Angle Barometers, two tubes = Gloucester Museum (1742), Soth. 2/24/85 (1741), Auction 1954 (1740 or 42); Angle Barometers, single tube = P.C. (1738), FIT, D.(1968)(1738); Angle Barometer, 1736 = Soth. 7/19/88; Angle Barometer, 1741 = Soth. 5/14/87 ; Rule = City of Leicester Museum. | author; may have invented the angle barometer. | Ashby-de-la Zouch, Leicestershire. | Goodison 1 & 2; Middleton 1; RSW. | suggest correction |
ORREGGIO | England, PHIM | Wheel Barometer = X. | Nottingham. | Goodison 1. | suggest correction | |
ORTALLY | France, PHIM | Wheel Barometer = D.(1973). | Rouen. | RSW. | suggest correction | |
ORTALLY, JOSH. | England, c.1810, PHIM | Wheel Barometer = X. | see Joseph Ortelli and Co. | London. | Goodison 1. | suggest correction |
ORTALY | England, PHIM | Wheel Barometer = X. | Goodison 1. | suggest correction | ||
ORTELLI 1 | see Maggi and Ortelli. | Goodison 1. | suggest correction | |||
ORTELLI 2 | England, PHIM | Wheel Barometer = X. | Goodison 1. | suggest correction | ||
ORTELLI AND CO. 1 | England, c.1780, PHIM | Wheel Barometers = K. & C. 9/20/71, X; Stick Barometers = Christie 12/17/75, X. | the barometer sold at Christie is signed "Ortelli and Co. Macclesfield Warranted"; see P. Ortelli and Co. | Macclesfield. | Goodison 1; RSW. | suggest correction |
ORTELLI AND CO. 2 | England, c.1800, PHIM | Wheel Barometer = X. | probably A. Ortelli 2 | Oxford. | Goodison 1. | suggest correction |
ORTELLI AND CO. 3 | England, PHIM | Wheel Barometer = Soth. 7/21/87. | surely Ortelli and Co. 1 or 2. | Goodison 1. | suggest correction | |
ORTELLI, A. (2) AND D., AND PRIMAVESI | England, fl.1846-48, PHIM | may be connected to Ortelli and Primavesi in London, 1848; made barometers and thermometers. | 114 High Street, Oxford. | Goodison 1. | suggest correction | |
ORTELLI, A. 1 | England, c. 1800, PHIM | Barometer = D.(1972); Wheel Barometers = D.(1973), X(2); Stick Barometer = X. | D.(1973) signed "Ortelli Buckingham." | Buckingham. | Goodison 1; RSW. | suggest correction |
ORTELLI, A. 2 | England, 1790-1846, PHIM | Wheel Barometers = X (3), Christie 12/17/75. | succeeded by A. (2) and D. Ortelli and Primavesi. | High Street, Oxford. | Goodison 1; RSW. | suggest correction |
ORTELLI, A.M. | England, PHIM | Stick Barometer = Gloucester Museum. | Godalming. | Goodison 1. | suggest correction | |
ORTELLI, D. | England, c.1850, PHIM | Stick Barometer = Soth.-Pul. 3/1/83. | see A. (2) and D. Ortelli and Primavesi; Defendent Ortelli? | Marlborough. | Goodison 1; RSW. | suggest correction |
ORTELLI, DEFENDENT | England, fl.1852-60, PHIM | barometer and thermometer maker; succeeded Peter Ortelli; see Defendent and John Ortelli. | 49 Hatton Garden, London. | Goodison 1. | suggest correction | |
ORTELLI, DEFENDENT AND JOHN | England, fl.1854-60, PHIM | barometer and thermometer makers. | 49 Hatton Garden, London. | Goodison 1. | suggest correction | |
ORTELLI, JOHN | England, fl.1854-60, PHIM | see Defendent and John Ortelli. | 49 Hatton Garden, London. | Goodison 1. | suggest correction | |
ORTELLI, JOSEPH | England, c.1800, PHIM | Wheel Barometer = X. | Reading. | Goodison 1. | suggest correction | |
ORTELLI, JOSEPH, AND CO. | England, fl.1809-18, PHIM | Wheel Barometer = X; Stick Barometer = X. | 20 Cross Street, Hatton Garden, London. | Goodison 1. | suggest correction | |
ORTELLI, N. | England, PHIM | Wheel Barometer = X. | Goodison 1. | suggest correction | ||
ORTELLI, N., AND CO. | England, PHIM | Wheel Barometer = X; Stick Barometer = Christie SK 4/17/86. | Goodison 1; RSW. | suggest correction | ||
ORTELLI, P., AND CO. | England, 1805, PHIM | Wheel Barometer, 1805 = X; Stick Barometer, 1805 = Christie-SK 4/17/86. | see Ortelli and Co. 1. | Macclesfield. | Goodison 1; RSW. | suggest correction |
ORTELLI, PETER | England, fl.1835-56, PHIM | barometer and thermometer maker; partner in Ortelli and Primavesi. | 3 Leather Lane (1835-51); 49 Hatton Garden (1848-51); 15 Leather Lane (1852-56); all in London. | Goodison 1. | suggest correction | |
ORTIZ, IGNACIO | Spain?, 1733, MIM | Universal Ring Sundial, 1733 = D.(1986). | marked on the ring is "en la puebla." | Coffeen 2. | suggest correction | |
OS, MATHIAS VON | Germanyfl.1561-89, MIM | Astrolabe, 1589 = HEI. | ICA-597; clockmaker. | Lübeck. | Zinner 1; Price 1; ICA 2. | suggest correction |
OSBORN, BENJAMIN | England, c.1838, MIM PHIM | 9 Northampton Square, London. | Taylor 2(2196). | suggest correction | ||
OSBORN, THOMAS | England, fl.1586-93, MIM SIM | the maker of Thomas Fale's graphometer; Fale called him "a good workman"; invented a dialing instrument. | Taylor 1(75) 2(76); Dewhirst; Clay and Court. | suggest correction | ||
OSBORNE 1 | England, c.1830, OIM | see Ashmore and Osborne | 42 Burgess Street, Sheffield. | Taylor 2(1767) & (1949); RSW. | suggest correction | |
OSBORNE 2 | England, OIM | Telescope = New London County Historical Society, Conn. | London. | USNM. | suggest correction | |
OSBORNE, GEORGE | England, fl.1625-28, | invented a semicircular instrument. | Hull. | Taylor 1(151). | suggest correction | |
OSBORNE, MURRAY | Scotland, fl1776-1817, MIM | apprenticed to James Watt. | Gallowgate (1783-1801); 406 Gallowgate (1803-17); both in Glasgow. | Bryden 3. | suggest correction | |
OSBORNE, THOMAS 1 | see Thomas Osborn. | Fale, "Horologiagraphica"; Clay and Court. | suggest correction | |||
OSBORNE, THOMAS 2 | England, c.1801, MIM PHIM | astronomical clock maker. | Vauxhall Street, Birmingham. | Bryden 9. | suggest correction | |
OSLER, FOLLETT | England, 1845, PHIM | Anemometer, 1845 = Royal Exchange, London. | Practical Mechanic and Engineer's Magazine, Vol. IV, p.139. | suggest correction | ||
OSTERLAND, C. | Germany, c.1850, PHIM | Mineralogical Kit = KEN; Mining Compass = Soth. 3/10/87. | the kit marked "Mechaniker"; the compass marked "Patent." | Friedberg, Saxony. | G.L'E. Turner 24; RSW. | suggest correction |
OSTRAVSKY, JOHANNES ANTONIUS | 1719, MIM | Horizontal Sundial, 1719 = BM. | Price 3; Ward 4. | suggest correction | ||
OSWALDUS, FRIDERICUS | 1636, MIM | Measuring Rod, 1636 = DRE. | "inv. et fac." | RSW. | suggest correction | |
OTERSCHADEN, JOHN | Belgium, fl.1580-1613, MIM | Pair of Globes = NMM-Caird; Terrestrial Gores = H.P. Kraus; Pair of Gores = Hispanic Society, New York, N.Y. | NMM 2; Yonge. | suggest correction | ||
OTLEY, JONATHAN | England, fl.1818-28, MIM | watchmaker; "ingenious mechanic." | Kesick. | Taylor 2(1399). | suggest correction | |
OTTER, CHRISTIAN | Germany, 1598-1660, MIM | Table Sundial = Königsberg Städt Kundtsammlung. | made linkage nstruments to solve geometrical problems; worked with Van Call, the clockmaker, from 1658-60. | Zinner 1. | suggest correction | |
OTTHEINRICH HERZOG VON DER PFALZ | Germany, 1502-59, MIM | Horizontal Sundials, gilt-brass, 1547 = ADL-M237, van Alfen Coll., D.(1969). | the van Alfen and D. sundials are signed "O.H.P." (Ott Heinrich Pfalzgraf); the Adler dial is signed "M.D.Z.O.H.P." (Mit Der Zeit Ott Heinrich Pfalzgraf) and "O.H.P. Auctor" on the back; the dealer's dial is mounted on a stone base; the van Alfen dial is mounted on an ebony base; Mit Der Zeit is said to be Ottheinrich's personal motto; he bought an astrolabe, two ivory sundials and an armillary sphere from Georg Hartmann in 1544. | Palatinate. | Zinner 1; Engelmann 1; Moran; Michel 3; Holland's Glorie; A.J. Turner 10; ADL; RSW. | suggest correction |
OTTWAY, JOHN | England, fl.1826-70, MIM OIM PHIM | Telescope = D.(1985); Wheel Barometer = X. | T.C. | 87 St. Johns Road (1826-33); 5 York Street, Covent Garden (1830-39); 10 King Street, Holborn (1840-41); 11 Devonshire Street, Queen Square (1842-48); 33 Upper King Street (1849-51); all in London. | Taylor 2(1950); Goodison 1; Crawforth 1 & 6; RSW. | suggest correction |
OTTWAY, W. | England, OIM | Telescope, refracting = Christie-SK 6/2/83. | Ealing. | RSW. | suggest correction | |
OTTWAY, W., AND CO. | England, c.1850, MIM OIM SIM | Telescopes, single draw = Christie-SK 3/31/83 & 4/17/86, Phillips 6/15/76; Dumpy Level = Phillips 2/22/77. | Ealing, London. | RSW. | suggest correction | |
OUDRY | France, c.1820, MIM | Rule = P.C. | RSW. | suggest correction | ||
OUGHTRED, WILLIAM | England, 1575-1660, | invented the double horizontal sundial, now called the Oughtred-type; invented a calculating device which he called his "circles of proportion"and a straight slide rule; author; mathematician; had William Forster as a pupil. | Albury; Cambridge. | Taylor 1(94); Evans 1; Gunther 2; Michel 3; A.J. Turner 10. | suggest correction | |
OULD, HENRY | England, fl.1791-94, MIM NIM | apprenticed to Benjamin Cole 2 in the Merchant Taylors' Company, Nov. 7, 1759; worked for Edward Nairne; had his own business by 1794; T.C.; patented an improvement for a quadrant in 1791. | Dartmouth; No.4 New Court, Great New Street, Fetter Lane, London; 59 Lower East Smithfield, London (1794). | Taylor 2(1021); Crawforth 6, 7 & 8. | suggest correction | |
OUTHIER, ABBE D.REGINALD | France, 1694-1774, | Abbé Outhier; invented a drive mechanism for celestial globes in 1727; invented a planetarium in 1727; both types were made by Jean-Baptiste Cattin; Outhier made improvements in odometer invented by Meynier 1. | Besançon (1727); rue Genégau, Paris. | Cons. Nat'l; Beckmann; RSW. | suggest correction | |
OUVIERE | France, MIM | Cosmograph, copper = Drouot 4/26/67. | Ouvière. | Marseilles. | Evans 1; RSW. | suggest correction |
OVERING, THOMAS | England, PHIM | Balance = Kendal Museum. | T.C.; "Seller of Scales, Weights of all Measures." | London. | RSW. | suggest correction |
OWEN | see Barrow and Owen. | RSW. | suggest correction | |||
OWEN, BENJAMIN | England, c.1687, | apprenticed to Isaac Webb of the Clockmakers' Company on Sept. 29, 1687; turned over to William Newton 1. | J. Brown 3. | suggest correction | ||
OWEN, JAMES | England, c.1803, MIM | apprenticed to William Evans 1 of the Grocers' Company on May 7, 1795; free of the Company Jan. 6, 1803. | J. Brown 1. | suggest correction | ||
OWEN, WILLIAM | England, c.1810, PHIM | Wheel Barometers = X, Soth. 5/12/72. | the barometers are signed "Owen Oswestry." | Oswestry. | Goodison 1; Baillie 1; RSW. | suggest correction |
OWENS, OWEN | England, fl.1794-1825, NIM OIM | Sextants = NMM, PEA (1797); Octants = Saint-Brieuc 8/4/79, Christie-SK 11/2/95; Hadley's Quadrant = Dukes County Historical Society, Edgartown, Mass.; Quadrant = Pugsley Sale; Telescope = BMM. | the Pugsley quadrant is marked for the owner "Daniel Russell 1796"; Christie-SK is marked "Made for Bartholomew Downing ct. 21, 1794." | 4 South Castle Street, Liverpool. | Taylor 2(1400); Bryden 9; Brewington 1; American Neptune, Jan. 1975; RSW. | suggest correction |
OXENFORD, JOHN | England, fl.1713-48, MIM | apprenticed to Edmund Blow in the Joiners' Company on Jan. 13, 1704; free in the Company, Dec. 1,1713; took an apprentice. | Savage Garden, London (1724). | Crawforth 7. | suggest correction | |
OXLY, HENRY | England, c.1780, PHIM | Coin Balance = WHI. | 230 Upper Thames Street, London. | Olivia Brown 2. | suggest correction | |
OXMANTOWN, LORD | Ireland, fl.1830-40, | made specula for microscopes and telescopes; author; F.R.S. | Taylor 2(2197). | suggest correction | ||
OZANAM | France, 1688-1736, | author; desgned an instrument and published a book on "L'Usage de l'instrument universelle ou "pantometre"; a rectangular frame with the alidade pivoted at one corner; also published "l'Usage du compass de proportion" in 1736. | Paris. | Daumas 1. | suggest correction |
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