Webster Signature Database Search Results

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.
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Signature Maker Info Instruments Comments Location References
O.H.P. see Ottheinrich Herzog von der Pfalz. RSW.
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.
O.H.S. O.h.S.; see S.h.O. Price 3.
O.K.S.P. 1842, NIM Traverse Board, 1842 = OMM. RSW.
O.L. Sweden, 1737, MIM Gunner's Scale, 1737 = SKO. Price 2.
O.R.B. fl.1567-1612, mark on sand glasses; Vivielle thought they were made by Hans Ducher of Nürnberg. Vivielle 1.
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.
OAKESHOTT, WILLIAM England, fl.1844-45, PHIM barometer and thermometer maker. 29 St. John Street, Clerkenwell, London. Goodison 1.
OAKLEY, JOHN England, c.1757, apprenticed to John Morgan 2 in the Joiners' Company on May 3, 1757. Crawforth 7.
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.
OATES, JOHN England, PHIM Angle Barometer = X. Pump, near Halifax. Goodison 1.
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.
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.
OBERHAUSER, JOHANN Germany, fl.1759-66, MIM SIM Theodolite, 1759 = MUN; Mathematical Instrument Set, 1766 = DEU. Schwaz in Tyrol. Zinner 1; Price 2.
OBERKAN, JOHAN HEINRICH Switzland, 1690, MIM Astrolabe, 1690 = Landesmuseum in Grand Hotel, Nancy. ICA-3202. Zurich. Price 1 and 2; ICA 2.
OCHS, HANS MIM Diptych Sundial, gilt-bass = LIE. Zinner 1; Michel 3.
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.
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.
ODELSTIERNA, CARL Sweden, 1753-95, OIM fl.1780-95; business continued by Peter Helleström. Stockholm. Pipping 1.
ODENDAL, WILHELM Germany, 1651, PHIM Money Balance, 1651 = DRE. Cologne. RSW.
ODENDOLL, M. BERND see M. Berndt Odental. RSW.
ODENKIRCHEN, P., AND S. BOSCH Holland, PHIM Wheel Barometer = Hawden-Satter House, Nantucket, Mass. RSW.
ODENTAL, BERNDT AND JACOB HEUSCHER Germany, 1699, PHIM Balance, 1699 = American Numismatic Society, New York, N.Y. RSW.
ODENTAL, M. BERNDT Germany, 1651, PHIM Money Balance, 1651 = DRE. also spelled "Odendoll." Cologne. RSW.
ODIORNE, JOTHAM USA, c.1800, SIM Graphometer = D.(1996). may be owner. Gorham, Maine or New Hampshire. Coffeen 55.
ODOMALCOT see Odon van Maecote. RSW.
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.
OERI Switzerland, c.1850, MIM SIM Surveyor's Compass = Western Reserve Historical Society, Ohio. Zurich. USNM.
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.
OERTLING Germany, 1758, NIM Sextant, 1758 = Soth. 5/19/60. Berlin. RSW.
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.
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.
OGDEN, F.B., AND ERICSSON England, c.1837, patented sea sounding apparatus in 1837. London. USNM.
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.
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.
OGILVIE, ROBERT A. England, c.1845, PHIM barometer and thermometer maker. 19 Upper Wharton Street, London. Goodison 1.
OHREN, MAGNUS England, NIM Mariner's Compass = NOR. London. RSW.
OKESHOTT, ROBERT England, c.1664, MIM apprenticed to Ralph Greatorex of the Clockmakers' Company on June 7, 1664. J. Brown 3.
OLDFIELD, HENRY England, 1821, apprenticed to William George Cook; free in the Masons' Company, March 29, 1821; listed as a victualler. Crawforth 7.
OLEARIUS see Oehlschläger. Zinner 1.
OLING, LUCAS Holland, 1564, listed as a maker in a 1824 catalogue of books and instruments. Leeuwarden. Rooseboom 1.
OLISIPONE Spain, 1590, MIM Sundial with compass, 1590 = Soth. 11/17/38. "Olisipone elaborat A.R.D." RSW.
OLIVA, BONAVENTURA Italy, c.1782, invented philosophical instruments. Mantua. Offenbacher 22(1970).
OLIVE, MICHAEL England, fl.1849-56, MIM NIM chronometer, watch and clock maker. Church Street, 26 Arwenack Street, Falmouth. H.M. Brown.
OLIVER England, 1892, patented a meantime sundial in 1892. RSW.
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.
OLLAND, H. Holland, 1825-1901, NIM PHIM Pelorus = AMST. Utrect. Mörzer Bruyns 1; G.L'E. Turner 24.
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.
OLLER, ANTON HENRIK Sweden, 1816-89, PHIM made physical apparatus, 1857 on. Stockholm. Pipping 1.
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.
OLSCHLAGER see Oelschlager. RSW.
OLSEN, CHRISTIAN D. Norway?, 1824, NIM Hadley's Quadrant, 1824 = OMM. RSW.
OLSEN, G.T. England, c.1830, NIM Octant = Melun 4/24/83. O.J. Olsen? Grimsby. RSW.
OLSEN, O.J. England, 19th Century, NIM Sextant = K. & C. 6/21/75. G.T. Olsen? RSW.
OLSEN, T. England, NIM Octant, ebony = Christie 12/8/76. Grimsby. RSW.
OLSSON Sweden, MIM Drawing Instrument Set = GMM. Goteborg. RSW.
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.
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.
OOSTERWIJK, SEVERIJN ADAMSON Holland, fl.1658-85, MIM OIM clockmaker; made microscopes ? The Hague. Rooseboom 1.
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.
OPP, C.H. Germany, MIM Pedometer = Evans Coll. Berlin. Evans 1.
OPPELT, I.B. Germany, fl.1785-1800, OIM Microscopes = DEU (2), LEY. the microscopes are dated 1785 and 1800. Anspach. Daumas 1.
OPPEN, J.F.B. Denmark?, 1795, MIM Compasses, 1795 = ROS-6886. ROS Cat.; RSW.
OPPIN, CH see Choppin. Nachet.
ORAM, E. USA, 1831, received a patent for a terrestrial globe, Jan. 12, 1831. New York, N.Y. USNM.
ORDYNO, GEORGE England, c.1830, MIM OIM Middle Pavement, Nottingham. Taylor 2(1948).
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..
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.
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.
ORREGGIO England, PHIM Wheel Barometer = X. Nottingham. Goodison 1.
ORTALLY France, PHIM Wheel Barometer = D.(1973). Rouen. RSW.
ORTALLY, JOSH. England, c.1810, PHIM Wheel Barometer = X. see Joseph Ortelli and Co. London. Goodison 1.
ORTALY England, PHIM Wheel Barometer = X. Goodison 1.
ORTELLI 1 see Maggi and Ortelli. Goodison 1.
ORTELLI 2 England, PHIM Wheel Barometer = X. Goodison 1.
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.
ORTELLI AND CO. 2 England, c.1800, PHIM Wheel Barometer = X. probably A. Ortelli 2 Oxford. Goodison 1.
ORTELLI AND CO. 3 England, PHIM Wheel Barometer = Soth. 7/21/87. surely Ortelli and Co. 1 or 2. Goodison 1.
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.
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.
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.
ORTELLI, A.M. England, PHIM Stick Barometer = Gloucester Museum. Godalming. Goodison 1.
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.
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.
ORTELLI, DEFENDENT AND JOHN England, fl.1854-60, PHIM barometer and thermometer makers. 49 Hatton Garden, London. Goodison 1.
ORTELLI, JOHN England, fl.1854-60, PHIM see Defendent and John Ortelli. 49 Hatton Garden, London. Goodison 1.
ORTELLI, JOSEPH England, c.1800, PHIM Wheel Barometer = X. Reading. Goodison 1.
ORTELLI, JOSEPH, AND CO. England, fl.1809-18, PHIM Wheel Barometer = X; Stick Barometer = X. 20 Cross Street, Hatton Garden, London. Goodison 1.
ORTELLI, N. England, PHIM Wheel Barometer = X. Goodison 1.
ORTELLI, N., AND CO. England, PHIM Wheel Barometer = X; Stick Barometer = Christie SK 4/17/86. Goodison 1; RSW.
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.
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.
ORTIZ, IGNACIO Spain?, 1733, MIM Universal Ring Sundial, 1733 = D.(1986). marked on the ring is "en la puebla." Coffeen 2.
OS, MATHIAS VON Germanyfl.1561-89, MIM Astrolabe, 1589 = HEI. ICA-597; clockmaker. Lübeck. Zinner 1; Price 1; ICA 2.
OSBORN, BENJAMIN England, c.1838, MIM PHIM 9 Northampton Square, London. Taylor 2(2196).
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.
OSBORNE 1 England, c.1830, OIM see Ashmore and Osborne 42 Burgess Street, Sheffield. Taylor 2(1767) & (1949); RSW.
OSBORNE 2 England, OIM Telescope = New London County Historical Society, Conn. London. USNM.
OSBORNE, GEORGE England, fl.1625-28, invented a semicircular instrument. Hull. Taylor 1(151).
OSBORNE, MURRAY Scotland, fl1776-1817, MIM apprenticed to James Watt. Gallowgate (1783-1801); 406 Gallowgate (1803-17); both in Glasgow. Bryden 3.
OSBORNE, THOMAS 1 see Thomas Osborn. Fale, "Horologiagraphica"; Clay and Court.
OSBORNE, THOMAS 2 England, c.1801, MIM PHIM astronomical clock maker. Vauxhall Street, Birmingham. Bryden 9.
OSLER, FOLLETT England, 1845, PHIM Anemometer, 1845 = Royal Exchange, London. Practical Mechanic and Engineer's Magazine, Vol. IV, p.139.
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.
OSTRAVSKY, JOHANNES ANTONIUS 1719, MIM Horizontal Sundial, 1719 = BM. Price 3; Ward 4.
OSWALDUS, FRIDERICUS 1636, MIM Measuring Rod, 1636 = DRE. "inv. et fac." RSW.
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.
OTLEY, JONATHAN England, fl.1818-28, MIM watchmaker; "ingenious mechanic." Kesick. Taylor 2(1399).
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.
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.
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.
OTTWAY, W. England, OIM Telescope, refracting = Christie-SK 6/2/83. Ealing. RSW.
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.
OUDRY France, c.1820, MIM Rule = P.C. RSW.
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.
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.
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.
OUVIERE France, MIM Cosmograph, copper = Drouot 4/26/67. Ouvière. Marseilles. Evans 1; RSW.
OVERING, THOMAS England, PHIM Balance = Kendal Museum. T.C.; "Seller of Scales, Weights of all Measures." London. RSW.
OWEN see Barrow and Owen. RSW.
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.
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.
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.
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.
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.
OXLY, HENRY England, c.1780, PHIM Coin Balance = WHI. 230 Upper Thames Street, London. Olivia Brown 2.
OXMANTOWN, LORD Ireland, fl.1830-40, made specula for microscopes and telescopes; author; F.R.S. Taylor 2(2197).
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.

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