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 T yielded 463 entries. Displaying entries 1–463.See an error? Suggest a correction!
| Signature | Maker Info | Instruments | Comments | Location | References |
| T. 1 | Germany, 17th Century, MIM | Diptych Sundial, ivory = VIE; Horizontal Sundial, in barrel- shaped case, ivory = VIE. | Zinner 1. | ||
| T. 2 | 1606, MIM | Division plate on the back of a Sundial = D.(1982). | Coffeen B. | ||
| T. 3 | England, MIM | Universal Ring Sundial = Ost India Hus, Göteborg. | RSW. | ||
| T.B. 1 | England, 1627, MIM | marked on ivory sundial, 1593 in X Coll., "Made For T.B." (1). | London. | Evans 1. | |
| T.B. 2 | c.1900, | Horizontal Sundial = ADL-T20. | modern copy. | Tomlinson 1; Fox 2; ADL; RSW. | |
| T.C. | England, 1831, MIM | Sundial, slate, square, 1831 = P.C.(1982). | RSW. | ||
| T.D. 1 | Germany, c.1600, MIM | Diptych Sundials, ivory = Drecker Coll. (1600) = DPW, ADL-T10, ADL-T11, ROM, HAK, OMM, WHI, Huelsmann Coll., Soth. 3/27/72 = TIM, FIN-84; Skaphe Sundial = OXF. | surely these are by Thomas Ducher 1, which see; master mark is a crowned serpent; the sundial at OMM has two compasses, marked "Wegweis Kampsus" and "Marinus Kampassius", it is in a leather case. | Nürnberg. | Zinner 1; Gouk 1; Price 2; Bryden 16; Syndram; ADL; RSW. |
| T.D. 2 | possible reading for "J.D.", which see. | RSW. | |||
| T.E. | these initials are marked on a circular slide rule at the BM signed "J.D." | Price 3; Ward 4; Gunther 2. | |||
| T.G. | England, 1551, MIM | Quadrant, 1551 = BM. | Thomas Gemini; it is also marked "J.C." (1) and "W.B." (3). | London. | Price 3; Ward 4. |
| T.H. | England, MIM | Nocturnal, boxwood = Soth. 7/26/65. | RSW. | ||
| T.I. | c.1680, MIM | Ring Sundial = Evans Coll. | Evans 1. | ||
| T.J. 1 | c.1729, | marked on a 1729 quadrant signed "M. Lewelin." | RSW. | ||
| T.J. 2 | c.1900, | Horizontal Sundials = ADL-T69 (falsely dated 1775) and ADL-T70 (falsely dated 1807). | both were made by D.B. Sheahan; by implication, by Thomas Jefferson; the address for both is "Va." | Tomlinson 1; Fox 2; ADL; RSW. | |
| T.J.H. | 1827, MIM | Diptych Sundial, wood, 1827 = VNN. | RSW. | ||
| T.K. 1 | Germany, c.1581, MIM | see Tobias Klieber. | Augsburg. | Zinner 1; Bobinger 2. | |
| T.K. 2 | Germany?, 1581, MIM | Artillery Rule, 1581 = BRP. | might be Tobias Klieber. | Price 2. | |
| T.K. 3 | marked on ADL-M304, signed "M.V.S." (1); Zinner and Engelmann reported it as "M.K." (2); may be the owner or the initials for "Tag Kalendar." | Zinner 1; Engelmann 1; ADL; RSW. | |||
| T.M. 1 | England, 1799, MIM | Garden Sundial, 1799 = P.C. | Adlington. | Strand Magazine, 1893, pp. 308-18. | |
| T.M. 2 | England?, c.1970, MIM | Horary Quadrant = Christie 12/12/72 = WHI-1638. | possibly an English forgery. | London. | Bryden 16; RSW. |
| T.P. 1 | Germany, c.1600, MIM | Compass Sundials in ivory barrels = ADL-W39, VIE, Soth. 11/16/87. | the sundial at the ADL has a punch mark of T and P conjoined on the hour-scale and also printed on the compass rose. | Zinner 1; ADL; RSW. | |
| T.P. 2 | marked on a terrestrial globe, ADL-M14, signed "I.", see I. (2). | ADL; RSW. | |||
| T.R. | England, late 18th Century, PHIM | Set of Cup Weights = Phillips 5/20/75. | RSW. | ||
| T.R.W. | 1593, MIM | Horizontal Sundial, round, ivory, 1593 = van Heusen Coll. #25. | RSW. | ||
| T.S.S. | Germany, 1555, | signed on a woodblock of a horary quadrant, 1555, at the Munich Staatsbibliothek. | Zinner 1. | ||
| T.V.B. | Germany, 1620, MIM | Diptych Sundial, brass, 1620 = DRE. | Zinner 1. | ||
| T.W. 1 | 1600, MIM | Pocket Sundial, 1600 = CCG. | RSW. | ||
| T.W. 2 | England, c.1730, MIM | Ring Sundials = Evans Coll. (2)(1730), NYM-Tucker Coll., D.(1982), WHI(3). | Coffeen wondered if "T.W." might stand for Thomas Wright. | Gunther 2; Coffeen A; Bryden 16; RSW. | |
| T.W. 3 | 1741, MIM | Universal Equatorial Sundial, 1741 = WRAY = Soth. 6/28/68. | RSW. | ||
| T.W. 4 | England, 1753, MIM | Perpetual Calendar, 1753 = D. | Moskowitz 121. | ||
| T.W. 5 | Scotland, 1825, MIM | Garden Sundial, 1825 = Amisfield, Lochmaben, Dumfriesshire. | Gatty. | ||
| T.W. 6 | MIM | Sand Glass = OMM. | RSW. | ||
| TABER, ABRAHAM, AND BROTHER | USA, 1869, NIM | successors of Charles Taber and Co.; agents for Spencer, Browning and Co. | 49 Union Street, New Bedford, Mass. | RSW. | |
| TABER, C. AND A. | USA, 1849, | Charles and Abraham Taber; advertised nautical instruments for sale in 1849. | New Bedford, Mass. | D.J. Warner 10. | |
| TABER, CHARLES | USA, fl.1845-65, | advertised nautical instruments for sale and repair; see Willuam C. Taber and Son. | New Bedford, Mass. | D.J. Warner 10. | |
| TABER, CHARLES, AND CO. | USA, fl.1825-69, NIM | Mariners Compasses = Seamans Institute, New York, N.Y., Dukes County Historical Society, Edgartown, Mass.; Octants, ebony and ivory = P.C.(1974), D; Sextant = Portsmouth Historical Society, New Hampshire. | agents for Spencer, Browning and Co.; succeeded by Abraham Taber and brother; dealers. | New Bedford, Mass. | USNM; Giordano 9; D.J. Warner 10; RSW. |
| TABER, WILLIAM C., AND SON | USA, fl.1845-49, | William C. Taber and Charles Taber; advertised nautical instruments for sale. | New Bedford, Mass. | D.J. Warner 10. | |
| TABORSKI | Poland, MIM | Sundial = KEN-inv. 1894-8. | Cracow. | RSW. | |
| TABRAR, WILLIAM | England, fl.1832-36, PHIM | made barometers and thermometers. | 38 Laystall Street, London. | Goodison 1. | |
| TACCHI, A. | England, PHIM | Wheel Barometers = X(2), Soth. 5/12/72. | Bedford. | Goodison 1; RSW. | |
| TACCHI, JOHN | Italy; England, PHIM | barometer maker; see Mastaglio and Tacchi. | Lake Como; Sunderland. | Crawforth 1. | |
| TACCHINI, ANTONIO | Italy, fl.1822-55+, PHIM | appointed mechanician to the Specola di Padovo in 1855. | Pavia; Padua. | Brenni 1. | |
| TACHI, F. | Holland, 18th Century?, PHIM | Barometer and Thermometer = Mak van Waay Auction, May, 1975. | Zierikzee. | Mörzer Bruyns 2. | |
| TAGLIABUE | USA, c.1847, PHIM | barometer and thermometer maker; see Norton and Tagliabue; may be John Tagliabue 3. | 240 Water Street, New York, N.Y (1847). | USNM. | |
| TAGLIABUE AND CASELLA | England, fl.1830-46, PHIM | Wheel Barometer = Christie-SK 9/23/88; Stick Barometer = Mallams, Cheltenham. | Mallams signed "C. Tagliabue and Casella"; Caesar Tagliabue and Louis Paschel Casella; became Casella and Taglibue in 1846. | 23 Hatton Garden, London. | Goodison 1; ATG 3/18/95; RSW. |
| TAGLIABUE AND CICERI | England, c.1849, PHIM | barometers; Anthony Tagliabue and perhaps P. Ciceri. | 31 Brook Street, Holborn, London. | Goodison 1; RSW. | |
| TAGLIABUE AND CO. 1 | England, fl.1807-14, OIM PHIM | Wheel Barometers = X(2), Christie-SK 4/17/86; Stick Barometer = X. | Caesar Tagliabue; earliest directory date for the Tagliabues; the first immigrant is supposed to have arrived in 1769. | 26 High Holborn, London. | Taylor 2(1229); Goodison 1; RSW. |
| TAGLIABUE AND CO. 2 | England, fl.1832-54, PHIM | Wheel Barometers = X(2). | Anthony Tagliabue. | 31 Brook Street, Holborn, London. | Goodison 1. |
| TAGLIABUE AND CO. 3 | England, PHIM | Wheel Barometer = Christie 12/16/82. | could be either Tagliabue and Co. 1 or 2. | Holborn, London. | RSW. |
| TAGLIABUE AND NEGRETTI | USA, 1847, PHIM | received silver prize in 1847 at Fair of American Institute, for barometers, hydrometers and wet bulb thermometers. | 236 Water Street, New York, N.Y. | USNM. | |
| TAGLIABUE AND ZAMBRA | England, fl.1847-50, PHIM | John Tagliabue 1. | 11 Brook Street, Holborn, London. | Goodison 1. | |
| TAGLIABUE, A. | England, fl.1832-54, PHIM | Wheel Barometers = Christie 5/5/83, P.C., X. | probably Anthony Tagliabue; Christie barometer is listed as "A. Faglibue." | 31 Brook Street, Holborn, London. | Goodison 1; Taylor 2(2262); RSW. |
| TAGLIABUE, A. AND A. | England, fl.1829-31, PHIM | Wheel Barometer, Thermometer, Level and Humidistat = D.(1983). | Angelo and Anthony Tagliabue. | 11 Brook Street, Holborn, London. | Goodison 1; RSW. |
| TAGLIABUE, ANGELO | England, fl.1829-48, PHIM | Wheel Barometer = X. | partner with Anthony Tagliabue, 1829-31, as A. and A. Tagliabue, which see; barometer is signed "A. Tagliabue 19 Leather Lane." | 11 Brook Street, Holborn (1829-33); 19 Leather Lane (1835-40); 91 Leather Lane (1841-44); 3 Charles Street, Hatton Garden (1845-48); all in London. | Goodison 1; Taylor 2(2261). |
| TAGLIABUE, ANTHONY | England, fl.1829-54, PHIM | made barometers, thermometers and philosophical instruments; in partnership with Angelo Tagliabue as A. and A. Tagliabue, 1829-31. | 11 Brook Street (1829-31); 31 Brook Street (1832-54); both in Holborn, London. | Goodison 1; Taylor 2(2262). | |
| TAGLIABUE, B., GAGGIA AND CO. | England, PHIM | Wheel Barometer = X. | Goodison 1. | ||
| TAGLIABUE, C. 1 | England, c.1799, PHIM | Wheel Barometer = X. | barometer signed "Tagliabue" plus address; see Tagliabue, Torre and Co. | 294 High Holborn, London. | Goodison 1. |
| TAGLIABUE, C. 2 | England, c.1820, PHIM | barometer maker; probably Caesar Tagliabue. | 68 Hatton Garden, London. | Goodison 1. | |
| TAGLIABUE, C. 3 | England, c.1830, PHIM | Stick Barometer = Soth. 5/18/89. | 11 Brook Street, Holborn (London). | RSW. | |
| TAGLIABUE, C.B.J., AND CO. | England, PHIM | Wheel Barometers = X(2). | Caesar Tagliabue? | 26 Holborn, London. | Goodison 1. |
| TAGLIABUE, C.J., MANUFACTURING CO. | USA, PHIM | Thermometer = Pacific House, Monterey, Cal. | Brooklyn, N.Y. | RSW. | |
| TAGLIABUE, CAESAR | England, fl.1807-46, PHIM | Wheel Barometers = X, Soth. 7/21/83; Stick Barometer = X. | Soth. barometer has thermometer by L. Giana; with Casella in 1838; see C. Tagliabue 2. | 26 High Holborn (1807-14); 28 Cross Street, Hatton Garden (1822-29); 23 Hatton Garden (1829-46); all in London. | Goodison 1; Taylor 2(1720); RSW. |
| TAGLIABUE, CATHERINE | England, c.1838, PHIM | barometer maker; succeeded John Tagliabue 2, probably his widow. | 25 Eyre Street Hill, London. | Goodison 1; Taylor 2(2263). | |
| TAGLIABUE, CHARLES, AND CO. | England, fl.1835-36, PHIM | barometer and thermometer makers. | 11 Brook Street, Holborn, London. | Goodison 1. | |
| TAGLIABUE, FRANCIS | USA, fl.1852-56, | advertised his Navigation Warehouse in 1856. | San Francisco, Cal. | D.J. Warner 10. | |
| TAGLIABUE, GIUSEPPE | England; USA, 1812-78, MIM PHIM | Ruler = N. Carolina Museum of History; Marine Barometer = D.(1976); Barometer = Soth.-PB pre-1980. | son of Caesar Tagliabue; apprenticed to his brother Giovanni; went to New York in 1834; won numerous awards; see John Tagliabue 3. | Pearl Street, New York, N.Y. | D.J. Warner 5; USNM; RSW. |
| TAGLIABUE, J. AND J. | England, fl.1817-19, OIM PHIM | made barometers and philosophical instruments; one of the partners was John Tagliabue 1. | 11 Brook Street, Holborn, London. | Goodison 1. | |
| TAGLIABUE, JOHN 1 | England, fl.1817-52, PHIM | made barometers and philosophical instruments; see J. and J. Tagliabue; see Tagliabue and Zambra. | 11 Brook Street, Holborn, London. | Goodison 1; Taylor 2(1440). | |
| TAGLIABUE, JOHN 2 | England, fl.1826-38, PHIM | barometer and thermometer maker; succeeded by Catherine Tagliabue, probably his widow. | 44 Leather Lane (1826-28); 23 Hatton Garden (1829); 25 Eyre Street Hill (1834-38); all in London. | Goodison 1; Taylor 2(2263). | |
| TAGLIABUE, JOHN 3 | USA, fl.1838-87, MIM NIM PHIM | 269 Water Street, New York, N.Y. | D.J. Warner 5; USNM. | ||
| TAGLIABUE, JOSEPH | USA, fl.1853-54, MIM NIM PHIM | New York, N.Y. | USNM. | ||
| TAGLIABUE, TORRE AND CO. | England, c.1802, PHIM | Stick Barometer = X(2); Wheel Barometer = X. | see C. Tagliabue 1. | 294 High Holborn, London. | Goodison 1. |
| TAISNIER, JOHANNES | Belgium, 1509-62, | designer of "spherical rings" which were useful in surveying, artillery, astronomy and navigation. | Offenbacher 22, 1970. | ||
| TALBOT, EBENEZER | USA, 1810-1902, MIM SIM | Level = P.C. | "Improved builder's level warrented. E. Talbot No. 6 Windsor Locks, Ct." | Windsor Locks (-1863); East Granby (1863-90); Windsor Locks (1890-1902); all in Connecticut. | Smart 1. |
| TALBOYS, JAMES | England, c.1817, | apprenticed to John Corless in the Joiners' Company, Sept. 11, 1817. | Crawforth 7. | ||
| TAMBURINI, GIOVANNI DOMENICO | Italy, c.1700, PHIM | Barometer = FLO. | Middleton 1. | ||
| TANCKINS, JOACHIMUS | Germany, 1596, MIM | Instrument, 1596 = NUR. | Perleberg. | Evans 1. | |
| TANGATE, ROBERT 1 | England, fl.1761-1804, MIM | apprenticed to John Morgan 2 in the Joiners' Company on April 7, 1752; turned over to George Adams 1 in the Grocers' Company, April 4, 1758; free in the Joiners' Company, April 7, 1761; took apprentices. | Shoe Lane, Fleet Street (1770-73); 4 Bride Lane (1774); 9 West Square (1800); 42 Elliott's Buildings, St. Georges Field (1804); 9 West Square; all in London. | Crawforth 7. | |
| TANGATE, ROBERT 2 | England, c.1781, | apprenticed to his father, Robert Tangate 1, in the Joiners' Company on Sept. 4, 1781. | Crawforth 7. | ||
| TANGUY | France, fl.1665-80, MIM OIM | "arquebusier"; worked in the Paris Observatory and for the Academy. | Paris. | Daumas 1; Wolf; Augarde. | |
| TANNER, JOSEPH | England, c.1856, PHIM | Wheel Barometers = X, Christie-SK 5/15/96. | watchmaker, silversmith; the X barometer is signed "Tanner Cirencester", the other one "J. Tanner, Cirencester." | Market Place, Cirencester. | Goodison 1; RSW. |
| TANNON, W.F. | misreading of W.F. Cannon. | RSW. | |||
| TAPLEY, ROBERT | USA, c.1850, NIM | Pelorus = PMS. | the pelorus at the PMS was designed by Tapley. | West Brooksville, Me. | RSW. |
| TAPPENDEN AND HANBY | England, c.1768, MIM | T.C.; tool makers. | at the White Lion the Corner of George Street in Foster Lane, Cheapside, London. | Crawforth 1. | |
| TARA, I. | England, PHIM | Wheel Barometer = X. | Louth. | Goodison 1. | |
| TARADELLI | Italy, 19th Century, OIM | Naples. | Brenni 1. | ||
| TARDIN | France, 19th Century, MIM | Sector = Drouot 4/7/87. | Paris. | RSW. | |
| TARELL | England, PHIM | Wheel Barometer = X. | Goodison 1. | ||
| TARELLI 1 | England, c.1850, OIM | Telescope = Phillips 11/16/88. | RSW. | ||
| TARELLI 2 | England, PHIM | Wheel Barometer with Thermometer = Soth. 5/14/87; Wheel Barometer = BMM. | probably Charles Tarelli 2. | Northampton. | RSW. |
| TARELLI, A., AND SON | England, fl.1853-60, PHIM | Marine Barometer = X. | Anthony Tarelli and his son. | 42 Dean Street (1853); 65 Grey Street (1855-60); both in Newcastle-upon-Tyne. | Goodison 1. |
| TARELLI, ANTHONY | England, fl.1827-60, PHIM | Wheel Barometers = X(2). | the barometers are signed "A. Tarelli"; see also A. Tarelli and Son. | 41 Dean Street (1827-44); 42 Dean Street (1847-55); 65 Grey Street (1855-60); all in Newcastle-upon-Tyne. | Goodison 1. |
| TARELLI, C. | England, PHIM | Wheel Barometer = X; Stick Barometer = X. | could be Charles Tarelli 1 or 2. | Goodison 1. | |
| TARELLI, CHARLES 1 | England, PHIM | Wheel Barometer = X. | Banbury. | Goodison 1. | |
| TARELLI, CHARLES 2 | England, c.1830, PHIM | Wheel Barometers = X(5), Christie 4/28/89. | the barometers are signed variously, "Chas. Tarelli", "C. Tarelli Northampton" or "Charles Tarelli, Northampton." | Woodhill, Northampton. | Goodison 1; RSW. |
| TARELY | England, PHIM | Wheel Barometer = X. | a variant spelling of Tarelli. | Goodison 1. | |
| TARLETON, JEREMIAH | England, c.1690, MIM | apprenticed to Walter Henshaw of the Clockmakers' Company on June 12, 1690. | J. Brown 3. | ||
| TARONE | see Lione and Tarone. | Bell 2. | |||
| TARONE AND CO. | England, c.1810, PHIM | Wheel Barometers = Soth. 7/16/76, X; Stick Barometer = X. | No. 7 Grevil Street, Holborn, London. | Goodison 1; RSW. | |
| TARONE, A. | England, PHIM | Stick Barometer = X. | probably Andrew or Anthony Tarone. | Goodison 1. | |
| TARONE, A., AND CO. | England, fl.1802-45, PHIM | Stick Barometer = X; Wheel Barometer = X. | Andrew Tarone and Co. | 7 Grevil Street (1802-19); 39 Charles Street, Hatton Garden (1842-44); 4 Back Hill (1843); all in London. | Goodison 1. |
| TARONE, ANDREW | England, fl.1802-19, PHIM | barometer maker; looking-glass maker. | 7 Grevil Street, London. | RSW. | |
| TARONE, ANTHONY | Scotland, fl.1818-46, PHIM | barometer maker. | 37 Murraygate (1818-29); 32 Murraygate (1834); 12 Castle Street (1840); 90 Nethergate (1842); 12 Murraygate (1846); all in Dundee. | Goodison 1; Bryden 3. | |
| TARONE, FRA. | England, PHIM | Stick Barometer = X. | Goodison 1. | ||
| TARONE, JNO. | England, PHIM | Wheel Barometers = X, Christie 1/26/90. | 281 Holborn, London. | Goodison 1; RSW. | |
| TARONE, JOHN | Scotland, PHIM | Wheel Barometer = X. | Glasgow. | Goodison 1. | |
| TARONE, P.A. | England, fl.1809, PHIM | Stick Barometers = X(2); Wheel Barometer = X. | the barometers are signed "P. Tarone Bristol" or "P.A. Tarone Bristol." | Tucker Street, Bristol. | Goodison 1. |
| TARONE, P.A., AND CO. | England, c.1810, PHIM | Stick Barometer = Phillips 11/16/76. | Bristol. | RSW. | |
| TARONI | Holland, c.1790, PHIM | barometer maker. | Daumas 1. | ||
| TARONI AND LOUAGHI | England, c.1829, PHIM | barometer makers. | 9 City Road, London. | Goodison 1. | |
| TARONI, A. AND G. | England, PHIM | Wheel Barometer = X. | Hanley. | Goodison 1. | |
| TARONI, F. | England, c.1815, PHIM | Stick Barometer = Milford Haven. | clockmaker. | Heverfordwest. | Peate. |
| TARONI, GEORGE | England, fl.1842-51, PHIM | Wheel Barometer = X. | watch and clockmaker. | 62 Whitefriargate, Hull. | Goodison 1. |
| TARONI, P. | England, c.1820, PHIM | Wheel Barometers = Soth.-Chester 3/9/83, X. | Jersey. | Goodison 1; RSW. | |
| TARR, HENRY S., AND SON | USA, MIM | Level with plumb-bob = X. | Philadelphia, Pa. | USNM. | |
| TARTS | England, c.1750, PHIM | Stick Barometer = 1975 Sales Cat. | London. | RSW. | |
| TASKER, WILLIAM | England, fl.1813-53, PHIM | Wheel Barometers = X (3), Soth.-S 1/10/90. | also made thermometers. | High Street, Banbury. | Goodison 1; RSW. |
| TASKEY, W. | misreading for William Tasker. | Soth.-S 1/10/90. | |||
| TATAMANZA | England, c.1840, PHIM | Wheel Barometer = Christie 12/8/76. | Colchester. | RSW. | |
| TATE | misreading for "late Ramsden, Berge, London" on sextant in auction, 1989, in New England. | RSW. | |||
| TATLOCK | see Baird and Tatlock. | RSW. | |||
| TAUBER, M. | Germany, c.1780, OIM PHIM | Barometer = DRE; Telescope = DRE. | M. Taüber. | Leipzig. | RSW. |
| TAVENIER-GRAVET | France, c.1870, MIM | Slide Rule, Mannheim-type = P.C. | successors to Gravet-Lenoir. | rue Mayet 19, Paris. | Delehar 2. |
| TAWS, CHARLES | USA, c.1795, MIM | Philadelphia, Pa. | USNM. | ||
| TAYLOR, ALFRED | England, 1863-1940, MIM OIM SIM | Frederick Cooke retired in 1894 in favor of Alfred Taylor,who joined his brother, Dennis Taylor, in T. Cooke and Sons. | York. | Taylor and Wilson. | |
| TAYLOR, BROOK | England, fl.1701-31, | author; mathematician; wrote on "Linear Perspective"; two instruments, once owned by Taylor while a student at St. John's College, Cambridge, are now at the Adler Planetarium, a Butterfield-type sundial, ADL-W219, and a brass rule, ADL-W221, both were signed and dated by him in 1701. | ADL; RSW. | ||
| TAYLOR, C.H., AND CO. | England, c.1860, PHIM | barometer maker. | 12-13 Buckingham Street, Birmingham. | Goodison 1. | |
| TAYLOR, DENNIS | England, 1861-1943, MIM OIM SIM | Dennis Taylor was in charge of the optical shop at T. Cooke and Sons; he was joined by his brother, Alfred Taylor, in 1894. | York. | Taylor and Wilson. | |
| TAYLOR, EDMUND | England, fl.1825-27, MIM OIM PHIM | 15 Whitehorse Yard, Drury Lane, London. | Taylor 2(1721). | ||
| TAYLOR, FRANCIS | England, c.1738, MIM | member of the Vintners' Company; reported on John Urings 2, Aug. 2, 1738. | London. | Crawforth 7. | |
| TAYLOR, G. | England, PHIM | Stick Barometer = CMY. | 108 Minories, London. | RSW. | |
| TAYLOR, G.R. | England, c.1820, PHIM | Wheel Barometer = X. | Sunderland. | Goodison 1; Baillie 1. | |
| TAYLOR, GEORGE | England, fl.1833-45, NIM | author; see G. Taylor; E.G.R. Taylor thought that he was the husband or a close relative of Janet Taylor and that he succeeded her, however the dates are wrong for that possibility. | 9 Fenchurch Street (1833); Navigation Warehouse, 103-4 The Minories, London. | Taylor 2(2021); RSW. | |
| TAYLOR, J.B. | England, PHIM | Wheel Barometer = X. | Goodison 1. | ||
| TAYLOR, JAMES | England, c.1830, PHIM | magnet manufacturer. | Sheffield. | Taylor 2(2022). | |
| TAYLOR, JANET, AND CO. | England, NIM | Sextant = Allan Knight Maritime Museum, Monterey, Cal. | London. | RSW. | |
| TAYLOR, JOHN 1 | England, c.1823, OIM | succeeded Thomas Taylor 3. | 17 Corner Hennings Road, London. | Taylor 2(1722). | |
| TAYLOR, JOHN 2 | England, fl.1825-27, OIM | 1 Lower Castle Street, Leicester Square, London. | Taylor 2(1723). | ||
| TAYLOR, JOHN 3 | England, c.1845, | invented a cometarium and a "Perennial Celestial Globe" in 1845. | Liverpool. | Chaldecott 3; RGO. | |
| TAYLOR, MRS. JANET | England, fl.1833-59, MIM NIM PHIM | Octants = X (1840), Pannett Park Museum, Whitby, D.; Sextants = Allan Knight Maritime Museum, Monterey, Cal., Franklin Institute, Philadelphia, Pa., Soth. 11/16/87; Sympiesometer = Christie 5/5/83; Instruments = NMM, KEN. | patented an improved instrument to measure angles and distances; Taylor describes herself as a retailer; author; those of her instruments which show an address list "104 Minories, London"; she also ran a Nautical Academy. | 1 Fen Court, Fenchurch Street; 6 East Street, Red Lion Square; The Nautical Academy and Warehouse, 103-4 Minories; all in London. | Taylor 2(2023); Coffeen II; Moskowitz 133; USNM; RSW. |
| TAYLOR, POSSIBLY JAMES. | England, NIM | Sextant = PMS. Mercury barometer = PC. | 104 Minories, London. | RSW. | |
| TAYLOR, ROBERT 1 | Scotland, 1717, | bookseller, charts, slide rules, small telescopes, etc; maker(?); T.C. | Berwick-on-Tweed. | Bryden 3. | |
| TAYLOR, ROBERT 2 | England, c.1769, MIM | apprenticed to Richard Rust in the Grocers' Company on Jan. 18, 1758; free of the Company July 4, 1769; took one apprentice. | Somerset Street, Whitechapel, London (1769). | J. Brown 1. | |
| TAYLOR, SAMUEL | USA, c.1810, MIM | Baltimore, Md. | USNM. | ||
| TAYLOR, T.L. | England, PHIM | Wheel Barometer = X; Stick Barometer = X. | Pontefract. | Goodison 1. | |
| TAYLOR, THOMAS 1 | England, c.1692, MIM | took John Eastland as an apprentice in 1692. | London. | Michel 3. | |
| TAYLOR, THOMAS 2 | England, c.1727, | apprenticed to Edmund Blow in the Joiners' Company on Aug. 8, 1727. | Crawforth 7. | ||
| TAYLOR, THOMAS 3 | England, fl.1815-22, MIM OIM | Sector = D.(1984). | succeeded by John Taylor 1. | 17 Corner Hennings Row, St. Martin's Lane, london. | Taylor 2(1442); Coffeen F; RSW. |
| TAYLOR, WILLIAM 1 | England, c.1682, MIM | apprenticed by turnover to Isaac Webb of the Clockmakers' Company, Dec. 7 or 21, 1674; turned over to the Widow Peirce of the ? Company; free of the Company April 3, 1682. | J. Brown 3. | ||
| TAYLOR, WILLIAM 2 | England, fl.1825-27, MIM | 13 Chamber Street, Goodman's Fields, london. | Taylor 2(1724). | ||
| TAYLOR, WILLIAM 3 | England, fl.1825-27, MIM OIM PHIM | 11 Little Newport Street, London. | Taylor 2(1725). | ||
| TEATLEY, ROBERT | England, c.1764, OIM | although not a member of the Spectaclemakers' Company, he opposed Peter Dollond's patent. | Fleet Street, London. | Court and von Rohr 3(XXVII). | |
| TECKER | misreading for Jecker. | Soth. 6/8/70. | |||
| TEDMUN, BENJAMIN | England, c.1759, | apprenticed to John Farmer 2 in the Joiners' Company on Nov. 27, 1759. | Crawforth 7. | ||
| TEEKES | see van der Vliel. | Mörzer Bruyns 2. | |||
| TEIXEIRA, ANTONIO | Portugal, 1769, MIM | Square and Protractor, ivory, 1769 = LIM. | RSW. | ||
| TELAMANZI | England, PHIM | Stick Barometer = X. | Colchester. | Goodison 1. | |
| TELFER, WILLIAM | Scotland, fl.1801-2, MIM | took out a patent relating to textiles. | Glasgow. | Taylor 2(1231). | |
| TELFORD | England, OIM | Telescope, four-draw = Christie-SK 7/10/80. | Chester. | RSW. | |
| TELFORD, W.N. | England, c.1855, PHIM | T.C. | Crawforth 1. | ||
| TEMPLE, JOHN H. | USA, 1812-77, MIM NIM PHIM SIM | Surveyor's Cross = WHI; Transit = GUR (No. 1). | worked for Nathan B. Chamberlain (1832-38); worked for himself (1839-77); built a dividing engine which finally ended up with C.L. Berger and Sons; employed James E. Moody as a workman; Moody finished many incomplete instruments after Temple's death. | Princeton (1812-30); Sterling (1830-38); Court Street, Boston; 11 Cornhill, Boston (1839-66); West Roxbury (1866-77); all in Mass. | Smart 1; Coffeen II; J.A. Bennett 2; USNM. |
| TENGAY, GREGORY | England, fl.1675-79, OIM | apprenticed to Henry Haslom of the Spectaclemakers' Company on April 2, 1668; free of the Company, July 1, 1675. | Court and von Rohr 3(36). | ||
| TENNANT, G. | England, fl.1814-15, MIM | 126 Wapping, London. | Taylor 2(1443). | ||
| TENNANT, THOMAS | USA, c.1822-c.1890, MIM NIM | Sextant = MYS. | apprenticed to William J. Young; Tennant was the first in the USA to mass-produce protractors; moved to San Francisco where he made and sold nautical instruments including those made by Young; had John C. Sack as a workman, 1861-88; showed an imported solar compass at th San Francisco Mechanics Institute Fair of 1858; T.C. | Newburyport, Mass.; at the Sign of the Wooden Sailor, Long Wharf, Battery Street (1849), San Francisco, Cal. | Smart 1; Bedini 8; D.J. Warner 10; Elgin; RSW. |
| TERONI, F. | England, PHIM | Wheel Barometer = X. | Goodison 1. | ||
| TERRIL, J. RITTSON | 1744, PHIM | Stick Barometer, 1744 = Soth. 5/12/72. | RSW. | ||
| TERRODE | see Ponthus et Terrode. | Calvert 2. | |||
| TERRY, FRANCIS | England, PHIM | Stick Barometer = X. | Masham. | Goodison 1. | |
| TERRY, JOS. | NIM | Octant = Fall River Historical Society, Mass. | RSW. | ||
| TERRY, WILLIM | England, c.1790, PHIM | Barometer with watch, No. 395 = Neumarkt 10/8/71 = Neumarkt 5/5/72 = UTO 11/2/76; etc. | surely William Terry. | London. | RSW. |
| TERTRE, CH. DU | France, PHIM | Wheel Barometer = Christie-Rome 11/29/79. | Paris. | RSW. | |
| TERZA | England, PHIM | Wheel Barometer = X. | see A. Terzza. | Nottingham. | Goodison 1. |
| TERZZA, A. | England, PHIM | Wheel Barometer = X. | see Terza. | Goodison 1. | |
| TESSA, A. | Switzerland ?, PHIM | Bottle Barometer = Landesmuseum, Zurich. | Middleton 1. | ||
| TESSAROLO, FRANCESCO | Italy, fl.1810-42, MIM PHIM SIM | Heliostat = U. of Padua; Oligocronometro = U. of Padua. | worked for Giovanni Battista Rodella at the Specola di Padovani. | Padua. | Brenni 1. |
| TESTI, J, & CO | England, c.1822, PHIM | Stick Barometer = X. | Signed "J Testi & Co, 49 Leatherlane, Holborn, London." | 49 Leatherlane, Holborn, London | WEBDB |
| TESTI, J. 1 | England, PHIM | Stick Barometer = X. | Chester. | Goodison 1. | |
| TESTI, J. 2 | England, PHIM | Wheel Barometer = X. | 15 Great Saffron Hill, London. | Goodison 1. | |
| TESTI, JOSEPH | England, c.1822, PHIM | Wheel Barometers = X(3); Stick Barometer = X. | the barometers are signed "Testi", "J. Testi 19 Leather Lane, Holborn, London" and "J. Testi 10 Leather Lane, Holborn, London." | 19 Leather Lane, Holborn; 10 Leather Lane, Holborn; both in London. | Goodison 1. |
| TETAMANZI, SANTINO | England, c.1780, PHIM | Stick Barometer = Soth.-Bearne 4/4/78. | 81 Holborn, London. | RSW. | |
| TETTAMANZI, S. | England, PHIM | Wheel Barometer = X. | Colchester. | Goodison 1. | |
| TEUFFEL, TH. | Germany, c.1607, MIM SIM | Theodolite = DEU. | his name is also marked (as owner?) on a pair of compasses at the DEU made by Heinrich Stolle, which see; Price listed this maker as "F. Teuefel." | Czeilbergk. | Zinner 1; Price 2. |
| TEXTOR, JOHANN | Austria, c.1710, MIM PHIM | Sundials, chalk-stone = MUN, DRE; Horizontal Table Sundials = GRA, VIT. | father of Johann Martin Friedrich Textor; made sundials, compasses, barometers and thermometers; city supervisor of barometers and thermometers. | Vienna. | Zinner 1; Habacher. |
| TEXTOR, JOHANN MARTIN FRIEDRICH | Austria; Germany, c.1725, MIM PHIM | Table Sundial, chalkstone, map, 1725 = DRE; Horizontal Sundial, marble, map = DRE. | son of Johann Textor; made barometers and thermometers; engineer. | Vienna; Dresden. | Zinner 1; Habacher; Evans 1; RSW. |
| THACHER, CHARLES | MIM SIM | Surveyor's Compass, wood = VNN. | RSW. | ||
| THACHER, EDWIN | USA, c.1881, | invented and patented a cylindrical slide rule, 1881. | Pittsburgh, Pa. | G.L'E. Turner 24. | |
| THACKER, JEREMY | England, c.1714, | amateur instrument maker. | Yorkshire. | Taylor 1(578). | |
| THACKER, ROBERT | variant of Theaker. | Evans 1. | |||
| THAXTER, JOSEPH HELYER | USA, 1801-35, MIM NIM | partner with his father, Samuel Thaxter, in S. Thaxter and Son, 1822-35. | 125 State Street, Boston, Mass. | Smart 1. | |
| THAXTER, S., AND SON | USA, fl.1822-1916, MIM NIM OIM PHIM SIM | wide range of instruments that may be seen in many museums. | Samuel Thaxter and his son, Joseph Helyer Thaxter, were partners from 1822 to 1835 when the son died; Samuel Thaxter worked alone fron 1835 to 1842 when a grandson, Samuel Thaxter Cushing, came into and took over the business until 1882; his widow, Abby Cushing, managed the firm until 1905; at that time Herbert Risteen Starrett, who started with the firm as a clerk in 1884, took over the management; the business went on until 1916 as Samuel Thaxter and Son (H.R. Starrett). | 125 State Street, Boston, Mass. | Smart 1; USNM; Moskowitz 104; Coffeen A; D.J. Warner 10; RSW. |
| THAXTER, SAMUEL | USA, 1769-1842, MIM NIM SIM | wide range of navigating and surveying instruments that may be seen in many museums. | probably apprenticed to William Williams whom he succeeded and whose niece or daughter, Mary, he married in 1792; took his son, Joseph Helyer Thaxter as a partner, 1822-35; worked alone, 1835-42, then took Samuel Thaxter Cushing, a grandson, into the firm; T.C. | at the Head of Long Wharf (1792); 125 State Street (1796-1842); both in Boston, Mass. | Smart 1; J.A. Bennett 2; Bedini 8; Coffeen I; USNM; D.J. Warner 8 and 10; RSW. |
| THEAKER, ROBERT | England, 1665, MIM | Evans 1. | |||
| THEILER, M., AND SONS | England, OIM | Pocket Microscope = Soth. 12/2/74. | London. | RSW. | |
| THELOTT, OLOF | Sweden, fl.1695-1713, MIM | Elvius-type Quadrant, wood and paper = SWE. | son of Philip Jacob Thelott. | Uppsala. | Pipping 1; Sidenbladh. |
| THELOTT, PHILIP JACOB | Sweden, c.1670, MIM | Nocturnal = NOR; Universal Ring Sundial = NOR; String-gnomon Sundial = NOR; Butterfield-type Sundial, silver = NOR; Table Sundials, Horizontal and Equatorial = NOR,(3), one is dated 1676; Horizontal Sundial = Blekinge Museum. | father of Olof Thelott. | Uppsala. | Pipping 1; Sidenbladh; RSW. |
| THEODULE, P. | France, 17th Century, MIM | Vertical Sundial, pocket = TIM. | marked "E.A. 6." | RSW. | |
| THEVENOT, MELCHISEDECH | France, c.1666, | Melchisédech Thevenot; may have invented the bubble level; he described it in 1666. | Wynter and Turner; Daumas 1. | ||
| THIBAULT, SEBASTIAN | France, 1588, MIM | Diptych Sundial, gilt-brass, 1588 = OXF. | Michel lists him as Spanish. | Dreux. | Evans 1; Gunther 2; Michel 3. |
| THIELE, F.A. | Denmark, OIM | Telescope = Den Gamle By, Aarhus. | Copenhagen. | RSW. | |
| THIERFELDER, DANIEL | Austria, 1594, MIM | Perpetual Calendar, 1594 = Linz Landesmuseum. | signed "1594 Daniel Thierfelder S und R." | Zinner 1. | |
| THIERY, FRANCOIS | France, fl. 1683-92, MIM | Sundials, slate, 1692 = Bernard Coll., D.(1994). | signed "François Thiery, chanoin de Maisieres 1683." | Rocroy et Maisieres (modern Mézières?). | Michel 3; Coffeen 46. |
| THILLAYE, N. | France, c.1800, PHIM | made air pumps. | Rouen. | Daumas 1. | |
| THODEY, SAMUEL | England, c.1783, MIM | apprenticed to Richard Rust in the Grocers' Company on Sept. 8, 1774; free of the Company Sept. 4, 1783. | London. | J. Brown 1. | |
| THOMAS | France, MIM | Terrestrial Globe = Versailles 11/20/83. | Paris. | RSW. | |
| THOMAS OF PISA | Italyc.1370, | Michel 3. | |||
| THOMAS, CHARLES XAVIER, CHEVALIER | France, 1785-1870, MIM | Arithmometers = KEN, Christie 12/21/71, Phillips 11/16/88 (o. 1778). | Charles Xavier Thomas de Colmar; invented the Arithmometer, a multiplication machine, c.1820; showed in the Great Exhibition of 1851 in London. | Colmar, Alsace; 13 Rue du Helder, Paris. | G.L'E. Turner 24; RSW. |
| THOMAS, D. | England, PHIM | Wheel Barometer = X. | Carmarthen. | Goodison 1. | |
| THOMAS, DANIEL | England, fl.1682-1711, MIM PHIM | Stick Barometer = X. | apprenticed Aug. 2, 1675, by turnover, to John Brown 1 of the Clockmakers' Company; free in the Company, Aug. 7, 1682; took three girls as apprentices. | Minories, London. | Crawforth 7; J. Brown 3; Goodison 1; Baillie 1. |
| THOMAS, E. | England, MIM | London. | Evans 1. | ||
| THOMAS, EDWARD | USA, 1806-32, OIM | published designs for achromatic objective lenses for microscopes. | New York State. | USNM. | |
| THOMAS, FRANCIS | England, c.1626, | apprenticed to Thomas Brown 1 in the Joiners' Company, Jan., 1626. | Crawforth 7. | ||
| THOMAS, GEORGE | England, 1758-1802, NIM | "Master compass maker at the Deptford Naval Dock"; succeeded Samuel Saunders in 1783. | Deptford. | Taylor 2(777). | |
| THOMAS, H.J. | England, c.1830, OIM | Henrietta Street, Cavendish Street, York. | Taylor 2(2024). | ||
| THOMAS, J. | USA, | see Benjamin Rittenhouse and J. Thomas | Pennsylvania. | RSW. | |
| THOMAS, J.B. | England, PHIM | Wheel Barometer = X. | Southampton. | Goodison 1. | |
| THOMAS, WILLIAM FRITH | England, c.1820, MIM | apprenticed to William Spencer 1 in the Grocers' Company on Dec. 4, 1800; free of the Company on Feb.3, 1820. | London. | J. Brown 1. | |
| THOMPSON 1 | England, PHIM | Wheel Barometers = X(2). | one of the barometers is signed "Thompson". | Yarmouth. | Goodison 1. |
| THOMPSON 2 | see S. Maw, Son and Thompson. | RSW. | |||
| THOMPSON AND CO. | England, c.1850, MIM OIM PHIM SIM | Sector, ivory and brass = ADL-W112. | see John Thompson 4. | Manchester Street, Liverpool. | ADL; RSW. |
| THOMPSON, A. | England, MIM | Taylor lists an instrument by A. Thompson at the WHI but that instrument was made by Anthony Thompson 1, which see. | 125 Cock Hill, Ratcliff, London. | Taylor 2(1445). | |
| THOMPSON, ANTHONY 1 | England, fl.1638-65, MIM | made many instruments in wood and brass, these included rules, Gunters' quadrants, sundials, universal ring sundials, sectors, etc.; examples may be seen in various museums such as ADL, WHI (FIT) (1652), etc; | made instruments for Samuel Pepys; succeeded John Thompson 1, possibly his father; T.C.; succeeded by Edward Fage or John Read 2. | Hosier Lane, Smithfield, London. | Taylor 1(190); Bryden 16; J.A. Bennett 2; Crawforth 1; Calvert 2; USNM; Clay and Court; Daumas 1; Latham and Matthews; Michel 3; Bryden 16; ADL; RSW; Dewhirst. |
| THOMPSON, ANTHONY 2 | England, c.1660, MIM | son of Anthony Thompson 1. | Hosier Lane, Smithfield, London. | Clay and Court. | |
| THOMPSON, BENJAMIN, COUNT RUMFORD | England, 1753-1814, | invented the differential air thermometer at the same time as John Leslie. | G.L'E. Turner 24. | ||
| THOMPSON, HENRY A. | England, c.1850, MIM | Level, Gardner Patent-type = D.(1989). | T.C.; ironmonger, engineer, smith, founder, etc; he may have retailed this item. | Lewes, Sissex. | Moskowitz 132. |
| THOMPSON, ISAAC 1 | England, fl.1672-95, MIM OIM | may hve been the father of Isaac Thompson 2, who was turned over to him as an apprentice by Henry Wynne of the Clockmakers' Company; Isaac Thompson 1 would have been a foreign instrument maker at that time; made mural quadrants and other instruments. | Bedford Street, near Covent Garden (1675); Sign of the Engine, against Montague House in Great Russell Street, Bloomsbury; both in London. | Taylor 1(363); Robischon; Evans 1. | |
| THOMPSON, ISAAC 2 | England, c.1699, MIM | apprenticed to Henry Wynne in the Clockmakers' Company; turned over to Isaac Thompson 1, his father ?, a foreign instrument maker; free of the Company in 1699. | Bloomsbury, London. | Robischon. | |
| THOMPSON, ISAAC 3 | England, fl.1701-04, MIM | apprenticed to John Crooke 1 in the Joiners' Company on May 3, 1694; free in the Company, Feb. 3, 1701; took an apprentice. | London. | Crawforth 7. | |
| THOMPSON, J. | England, fl.1810-15, NIM | advertised compasses and quadrants; see A. Thompson 1. | 124 Cock Hill, Ratcliff, London. | Taylor 2(1445). | |
| THOMPSON, JOHN 1 | England, fl.1609-48, MIM | in the Stationers' Company; made wooden instruments and rules; took apprentices; partner and successor of John Read 1; succeeded by Anthony Thompson 1 who was possibly his son; T.C. | Hosier Lane, Smithfield, London. | Taylor 1(121); Crawforth 1; J.A. Bennett 2; A.J. Turner 9 & 10; Clay and Court; Evans 1. | |
| THOMPSON, JOHN 2 | England, fl.1825, MIM | may have been succeeded by Joseph Thompson. | 34 Wapping, London. | Taylor 2(1726). | |
| THOMPSON, JOHN 3 | England, c.1830, OIM PHIM | Telescope, three-draw = Christie-SK 2/9/84. | Nottingham. | Taylor 2(2025); RSW. | |
| THOMPSON, JOHN 4 | England, c.1850, MIM OIM PHIM SIM | Theodolite = Christie-SK 8/20/88(?); Aneroid Barometer = D.(1973). | see Thompson and Co.; the barometer is signed "J. Thompson 2 Manchester Street, Liverpool"; the theodolite is signed with both the Manchester Street and the Lord Street addresses. | 2 Manchester Street and 65 Lord Street; both in Liverpool. | RSW. |
| THOMPSON, JOSEPH | England, fl.1830-38, MIM NIM PHIM | Hadley's Quadrant = MYS. | the quadrant is signed "Thompson 36 Wapping, London." | 36 Wapping High Street, London. | Taylor 2(2026); RSW. |
| THOMPSON, PISHEY | USAc.1822, | imported optical, mathematical, surveying instruments and books. | Pennsylvania Avenue between 11th and 12th, Washington, D.C. | USNM. | |
| THOMPSON, RICHARD | England, 1751, MIM | Gunter's Scale, boxwood, 1751 = D.(1972). | this might be the name of the owner. | Moskowitz 103. | |
| THOMPSON, ROBERT | England, c.1764, | apprenticed to Francis Morgan in the Joiners' Company, July 3, 1764. | Crawforth 7. | ||
| THOMPSON, SAMUEL | England, c.1770, OIM | optician. | in a yard between 18 and 19 Dudley Street, Birmingham. | Bryden 9. | |
| THOMPSON, SIMON | England, c.1830, NIM | compass maker. | Great Yarmouth. | Taylor 2(2027). | |
| THOMPSON, WILLIAM | England, fl.1662-86, MIM | apprenticed in the Joiners' Company in 1651; free in the Company, 1662; took apprentices. | London. | Crawforth 7. | |
| THOMS, WILLIAM | England, PHIM | barometer and philosophical instrument maker. | 289 Strand, London. | Goodison 1. | |
| THOMSON 1 | see White, Thomson and Co. | ||||
| THOMSON 2 | variant of Thompson. | RSW. | |||
| THOMSON, DAVID | England, 1789-1834, | Capt. Thomson invented a Lunar Corrector, c.1820; made by Bate in 1816. | Coffeen 35. | ||
| THOMSON, T. | Scotland, PHIM | Double Barometer = Christie 12/8/76. | Edinburgh. | RSW. | |
| THOMSON, THOMAS | Scotland, c.1821, | Professor at Glasgow University; worked on improving the saccharimeter; taught Alexander Allan to make it. | Glasgow. | McConnell 4. | |
| THOMSON, WILLIAM | Scotland, 1824-1907, | became Lord Kelvin of Largs in 1892; invented an electrometer and made major improvements in magnetic compasses. | DSB; DNB; G.L'E. Turner 24. | ||
| THON, IO. H.S. | Holland?, 1721, MIM | Sundials, 1721 = D., P.C.(1975). | reproductions in silver or brass, dated 1721 were for sale at the Musée d'Horologie at Chaux-de-Fonds in 1978; Mörzer Bruyns thought the name was Dutch. | Mörzer Bruyns 2; Brieux 1; RSW. | |
| THORN, N. | see C. Reiffel and N. Thorn. | USNM. | |||
| THORNDIKE, WILLIAM S. | England, MIM | apprenticed to Thomas Lefever in the Merchant Taylors' Company; free of the Company. | Crawforth 7. | ||
| THORNE, BAPTIST | England, c.1719, MIM | apprenticed to Thomas Heath 1 of the Grocers' Company on March 4, 1719. | J. Brown 1. | ||
| THORNELOE, C. | England, 19th Century, PHIM | Wheel Barometer = Christie-SK 11/27/86. | RSW. | ||
| THORNER, WILLIAM | England, c.1691, | apprenticed to Thomas Walpool of the Grocers' Company on April 6, 1691 | J. Brown 1. | ||
| THORNTHWAITE, W.H. | England, c.1850, OIM PHIM | partnership with Horne as Horne and Thornthwaite; also one of the partners in Horne, Thornthwaite and Wood; T.C. | London. | Chaldecott 3; RGO; Calvert 2; Goodison 1. | |
| THORNTON, A.G. | England, OIM | Transit = Christie-SK 3/31/83; Telescopic Level = Christie-SK 11/27/86; Theodolite = Soth. 7/31/67; Level = Phillips-Leeds 6/24/87; Graphometer = D.(1970). | the telescopic level is marked "Premier Level." | Manchester. | RSW. |
| THOROWGOOD, EDWARD | England, fl.1669-70, MIM | free of the Plumbers' Company; admitted as a Brother to the Clockmakers' Company on Jan. 18, 1669; took an apprentice. | London. | J. Brown 3; Clay and Court. | |
| THORP | England, c.1811, PHIM | Thermometer on a barometer by Horrod = P.C. (1968). | Bath. | Goodison 5. | |
| THORP, JOSEPHUS | Denmark, MIM | Compass Sundial, silver, in an ivory box = Soth. 10/16/60. | RSW. | ||
| THORPE, JAMES | England, c.1830, OIM | 17 Westbar Green, London. | Taylor 2(2028). | ||
| THORSEN, O. ELEV. | Norway?, 1768, NIM | Hadley's Quadrant, 1768 = OMM. | RSW. | ||
| THOURY, JACQUES | France, c.1700, MIM | Butterfield-type Sundials, silver, oval = P.C., Bernard Coll. = MADEX-112 = NMM; Butterfield-type Sundials = Soth. 5/16/57 (octagonal), Drouot 4/7/87; Terrestrial Globe = CNAM. | Paris. | MADEX; NMM 2; Brophy 1; RSW. | |
| THOUVEREZ, JUREWIT | France, 1788-1825, MIM | Planetarium on clock, 1797 = Rasmussen 2/6/68. | Paris. | RSW. | |
| THRASI, STEVEN | see Steven Tracy. | Rooseboom 1; Michel 3. | |||
| THRASIUS | see Steven Tracy. | Rooseboom 1; Michel 3. | |||
| THROGMORTON, JAMES | England, fl.1676-1716, OIM | son of John Throgmorton and apprenticed to him in the Spectaclemakers' Company, Oct. 6, 1669; free of the Company in 1676; Master of the Company in 1688, 1695 and 1697; took Richard Sterrop as an apprentice in 1677. | The Minories, London (1693). | Court and von Rohr 3(41); Clay and Court. | |
| THROGMORTON, JOHN | England, fl.1669-93, OIM | apprenticed to John Jenkinson in the Spectaclemakers' Company, Oct. 20, 1644; member of the Company Oct. 6, 1669; took his son, James Throgmorton as an apprentice in 1669; fought for the Restoration. | Tower Hill (1669); St. Katherine's (1693); both in London. | Court and von Rohr 3(10). | |
| THROUGTON AND SIMMS | misreading for Troughton and Simms. | Peron et Corsy, Melun 6/10/79. | |||
| THUDIUM | see Pleis, Foering and Thudium. | RSW. | |||
| THURET ET BELNET | France, 1861, MIM | Terrestrial Globe, in relief, 1861 = Soth. 2/28/80. | Dijon. | RSW. | |
| THURET, ISAAC | France, fl.1678-80, MIM | Planetariums = PBN (1680), ROS; Eclipsareons = PBN (1680), ROS. | clockmaker to Louis XIV; made Roemer's planetarium, eclipsareon and Jovilabe designs; worked with Huygens and Roemer. | H.C. King 2. | |
| THURLOW, E. | England, PHIM | Wheel Barometer = X. | Hyde. | Goodison 1. | |
| THURNEISSER, LEONHARDT | Germany, c.1574, | author; one of his works on astrology contains a very complicated set of planetary volvelles. | Wynter and Turner; RSW. | ||
| THURNER, JOHANN | Czechoslovakia, fl.1671-79, MIM SIM | Graphometers, 1679 = WHI, OXF. | Prague. | Zinner 1; Daumas 1; Michel 3; Evans 1. | |
| TIBBON, PROFEIT | see Profatius. | A.J. Turner 10. | |||
| TICADELL (?), WM. | Scotland, c.1800, PHIM | Thermometer = Christie-SK 4/17/86. | a signed thermometer on a wheel barometer by W. Cooper. | Glasgow. | RSW. |
| TICKELL, GEORGE | Ireland, fl.1827-40, OIM | optician. | 74 Great Britain Street (1827-28); 24 Upper Sackville Street (1828-40); 48 Beresford Street 1840); all in Dublin. | Morrison-Low and Burnett; Bryden 9; | |
| TICKNER, JOHN | England, c.1796, | apprenticed to John Parminter 2 of the Grocers' Company on July 7, 1796. | J. Brown 1. | ||
| TIDDER, ROWLAND | England, fl.1791-1808, MIM | apprenticed to William Morris 1 in the Grocers' Company in May, 1783; turned over to James Bradley 2, a member of the the Feltmakers' Company on Sept. 12, 1786; free of the Grocers' Company, April 7, 1791; took apprentices. | No. 7 Butler's Buildings, East Smithfield (1791); East Smithfield (1793); both in London. | J. Brown 1; RSW.. | |
| TIDDLER | see Tidder. | J. Brown 1. | |||
| TIEDEMANN | Germany, 18th Century, OIM | Microscopes, Cuff-type = KEN (2). | Stuttgart. | Dewhirst; Clay and Court; Daumas 1. | |
| TIENSCH AND STANCLIEF | USA, c.1859, MIM OIM PHIM SIM | T.C. in the box of a surveying compass by Adolph Tiensch. | 88 Third Street, near Post Office, Louiville, Ky. | Smart 1. | |
| TIENSCH, ADOLPH | Germany; USA, 1818-1895, MIM OIM PHIM | Wye Level = P.C.; Surveying Compass = D.(1989). | listed in the Cincinnati directories, alone for 1849-51; worked for Harig and Jones in 1852; by himself from 1856 on; his son Gustav Adolph worked for him; Stanclief must have been a partner at some point, see Tiensch and Stanclief. | Baden-Baden, Germany; Cincinnati, Ohio (1849-51); Louisville, Ky. (1852); Third Street opposite the Post Office, Louisville, Ky. (1856-60); Memphis, Tenn. (1860?-95). | Smart 1; Coffeen 27. |
| TIENSCH, GUSTAV ADOLPH | USA, 1853-1949, MIM SIM | worked with his father, Adolph Tiensch, from 1871 to 1895; listed as an instrument maker through 1936. | Louisville, Ky. | Smart 1. | |
| TILLEY AND SON | England, NIM | Course Projector = Portsmouth Shipyard Museum, Va. | course protractor ? | USNM. | |
| TIMBY | 1857, MIM PHIM | Timby Solar Clock = P-B 10/5/44. | patented an improved stick barometer, Nov. 3, 1857. | Middleton 1; RSW. | |
| TIMMINS | see Wynn and Timmins. | RSW. | |||
| TIMMINS, JOS. | England, 1761, | apprenticed to Christopher Jacob, a rule maker; ran away before July 20, 1761. | Wolverhampton. | Bryden 9. | |
| TIMMINS, THOMAS | England, c.1830, OIM | 33 Lower Arcade, Bristol. | Taylor 2(2029). | ||
| TIMMONS, THOMAS | England, fl.1777-1818, OIM | optician and spectaclemaker. | 1 Old Hinckleys (1777); 19 Fleet Street (1801); Bromsgrove Street (1818); all in Birmingham. | Bryden 9. | |
| TINNON | see Daniel Ducommun-dit-Tinnon. | RSW. | |||
| TIRYUTIN, FILIPP NIKITICH | Russia, fl.1737-71, MIM PHIM SIM | Circumferentor = LOM; Sundial and Globe = State Armoury, Moscow; etc. | Tiryutin was a pupil of Golynin at the Academy of Sciences from 1737 to 1747; an apprentice from 1747 to 1756; made a copy of the Gottorp Globe with Benjamin Scott, from 1748 to 1751; he was named a "master of the instrument-making art" in 1756 by the Academy; assigned to the "School of Arts" in the Artillery Engineering Cadet Corps; was an ingenious innovator and a good manager; made and repaired various drawing and surveying instruments; he was dismissed in 1771. | St. Petersburg. | Chenakal 3; J. Brown 1. |
| TISLEY AND SPILLER | England, 19th Century, OIM PHIM | Microscope = Christie-SK 2/9/84; Monocular Microscope = Phillips 2/2/84; Tyndall Audibility of Sound Machine = Royal Institution. | 172 Brompton Road, London. | RSW. | |
| TLUMATSNAVV | Poland?, 1756, MIM | Astronomical Ring, 1756 = TIM (1972). | Olmitz. | RSW. | |
| TOALDES, GIUSEPPE | Italy, 1719-97, MIM | Regiomontanus-type Sundial, 1760 = Michel Coll. = Soth. 3/17/38 = Percy Webster = OXF (Bilmeier Coll. #195). | author of "Metodo facile per descrivere gli orlogi Solari", Venice, 1790; professor of astronomy at U. of Padua, 1760. | Padua. | Maddison 5. |
| TOBIAS AND LEVITT | England, fl.1816-42, MIM PHIM | Morris Tobias and Levitt; clockmakers. | 31 Minories, London. | Goodison 1. | |
| TOBIAS, M.J. | England, MIM | Pocket Watch = ADL-A107. | Liverpool. | ADL; RSW. | |
| TOBIAS, MORRIS | England, c.1815, MIM PHIM | Marine Barometer = X; Chronometer = USNM. | signed "Tobias 31 Minories, London"; partner with Levitt, 1816-42. | 31 Minories, London. | Goodison 1. |
| TOBIAS, R.P. | Austria, 1752-54, MIM | assembled the 1688 Coronelli globe now at NMM-Caird. | Vienna. | NMM 2; RSW. | |
| TOCHETTI, C. | Scotland, PHIM | Wheel Barometer = X. | Aberdeen. | Goodison 1. | |
| TOD, S. | Scotland, c.1765, PHIM | Stick Barometer = P.C. | Edinburgh. | Goodison 1. | |
| TODD, ROBERT | England, 1685, | apprenticed to Daniel Quare 1 in the Clockmakers' Company, 1685. | J. Brown 3. | ||
| TOGNIETTI, G., AND CO. | England, PHIM | Wheel Barometer = X. | Worcester. | Goodison 1. | |
| TOGNIONI AND CO. | England, PHIM | Wheel Barometer = X. | Bristol. | Goodison 1. | |
| TOGNOLA, JAMES | England, PHIM | Wheel Barometer = X. | Ipswich. | Goodison 1. | |
| TOIA, D. | England, PHIM | Wheel Barometer = Soth. 5/14/87. | Farringdon. | RSW. | |
| TOLDER, ANDREAS | Austria, MIM | Azimuth Sundial = Koller 11/17/75. | "fecit Viene." | Vienna. | RSW. |
| TOLLES, ROBERT B. | USA, 1822-83, MIM OIM PHIM | Lenses, 1873 = Army Medical Museum; Binocular Eyepiece = USNM. | apprenticed to Charles A. Spencer, 1843-51; collaborated with him, 1851-58; started his own business in Canastota in 1858; moved to Boston in 1867 and organized the Boston Optical Works, became its supervisor and in 1871 its owner; patented a binocular eyepiece. | Canastota, N.Y. (1822-67); Boston, Mass. (1867-83). | USNM. |
| TOLLEY, EDWARD | England, c.1838, OIM | 8 Tavistock Row, Covent Garden, London. | Taylor 2(2264). | ||
| TOMLIN, WILLIAM | England, c.1738, | apprenticed to Henry Craford of the Grocers' Company on June 27, 1738. | J. Brown 1. | ||
| TOMLINSON, JAMES | England, c.1746, OIM | spectaclemaker; took Thomas Watkins as an apprentice, Oct. 2, 1746; he was probably a member of the Spectaclemakers' Company. | London. | Clay and Court. | |
| TOMLINSON, JOHN | England, fl.1835-41, PHIM | Wheel Barometer = X. | the barometer is signed "Jno. Tomlinson, Horncastle"; watch and clockmaker. | Bull Ring, Horncastle. | Goodison 1. |
| TOMPION AND GRAHAM | England, 1711-13, MIM PHIM | Tellurian = OXF. | Thomas Tompion and George Graham, his nephew. | at the sign of the Dial and three Crowns, at the corner of Water Lane and Fleet Street, London. | J.A. Bennett 2; RSW. |
| TOMPION, THOMAS | England, 1638-1713, MIM PHIM | Wheel Barometers = Royal Collection (2), (one at Hampton Court); Stick Barometers = Hampton Court, Soth. 2/4/77; Marine Barometer = Greenfield Village, Mich.; Inclinable Sundials = BM (gold, 1703), (silver). | admitted as a Brother in the Clockmakers' Company on Sept. 4, 1671; free in the Company, by redemption on April 6, 1674; Master of the Company in 1703; took George Graham as a partner in 1711; on Tompion's death in 1713 Graham succeeded to the business; Tompion was associated with Robert Hooke for many years; as one of the best clockmakers of the era Tompion made Flamsteed's clocks and mural quadrants. | the Dial and Three Crowns, Water Lane, Fleet Street, London. | Taylor 1(283); Goodison 1; Crawforth 7; J. Brown 3; Ward 4; Baillie 1; J.A. Bennett 2; Price 3; Britten; R.W. Symonds. |
| TOMPSON, THOMAS | England, 1638-1713, MIM | Evans 1. | |||
| TONNELOT | France, PHIM | Stick Barometer = P.C. Thermometers made for the Yale Observatory January 1884 and April 1879. | 25 Rue du Sommerard Paris | RSW. | |
| TOOGOOD, ELIZABETH | England, fl.1693-1700, MIM | in the Joiners' Company; succeeded her husband, John Toogood by 1693; testified to the freedom of John Crooke l in the Company on July 4, 1693; took apprentices. | London. | Crawforth 7. | |
| TOOGOOD, JOHN | England, fl.1678-90, MIM | apprenticed to William Sutton in the Joiners' Company, June 3, 1669; free in the Company Sept. 3, 1678; took apprentices; succeeded by his wife, Elizabeth Toogood, before 1693. | London. | Crawforth 7. | |
| TOOKE, CHRISTOPHER | England, c.1609, OIM | ground lenses for Thomas Harriot; made "perspective glasses". | London. | Taylor 1(120); A.J. Turner 10; Wynter and Turner; Evans 1. | |
| TOPANI, JOHN | England, PHIM | Barometer = D.(1971). | RSW. | ||
| TOPHAM | see Choate, Alder and Topham. | D.J. Warner 10. | |||
| TOREY, ANGELO | England, c.1830, MIM | Salisbury. | Taylor 2(2030). | ||
| TORNAGHI AND CO. | Australia, c.1860, NIM | Sextant = Seamans Institute of New York, N.Y. | see Angelo Tornaghi and A. Tornaghi and Co. | Sydney. | USNM. |
| TORNAGHI, A., AND CO. | Australia, c.1860, MIM | Protractor = Phillips 11/16/76. | Angelo Tornaghi. | Sydney. | RSW. |
| TORNAGHI, ANGELO | England; Australia, fl.1850-64, MIM NIM OIM SIM | Surveyor's Level and Compass = Soth. 4/18/88. | "optical and mathematical instrument maker to the Surveyor General Department Observatory, etc."; worked with Negretti and Zambra. | London (1858); 28 Bridge Street, Sydney (1861); 312 George Street, two doors from Hunter Street, Sydney, (1864). | RSW. |
| TORPORLEY, NATHANIEL | England, 1564-1632, | designed the sundial made by Charles Whitwell in 1593 which is now at OXF; designed a graphometer and a perpetual calendar; author. | J. Brown 1; Taylor 1(74); Michel 3. | ||
| TORRE 1 | France, c.1778, PHIM | Double Barometer = COR; Thermometers, 1778 = POB(2). | Torré. | Paris. | Daumas 1; Courtanvaux. |
| TORRE 2 | England, PHIM | Double Barometer, boxwood = OXF; Multiple Tube Barometer = D.(1976); Barometer, folding = OXF. | all the barometers are signed "Torre fecit." | Taylor 2(1234); Goodison 1; A.J. Turner 10; Middleton 1; RSW. | |
| TORRE AND CICERI | England, fl.1780-82, PHIM | Anthony Torre and Ciceri; barometer makers. | 44 Market Lane, Pall Mall, London. | Goodison 1. | |
| TORRE AND CO. 1 | England, c.1805, OIM PHIM | Wheel Barometers = Soth. 12/15/83 and 7/21/83, X(2); Stick Barometers = X(2). | opticians; see Anthony de la Torre; the barometers are signed "Torre and Co., Leigh Street, Red Lion Square, London" or "Torre and Co. 12 Leigh St. Red Lion Square." | 12 Leigh Street, Red Lion Square, London. | Goodison 1; RSW. |
| TORRE AND CO. 2 | England, PHIM | Stick Barometer = X. | 12 Holborn, London. | Goodison 1. | |
| TORRE AND CO. 3 | England, PHIM | Wheel Barometers = Soth. 7/16/76, 7/21/87 and 4/28/88; Stick Barometer = X. | surely Torre and Co. 1 or 2. | London. | Goodison 1; RSW. |
| TORRE BROS. | England, c.1783, PHIM | Anthony Torre and brothers; barometer makers. | 44 Market Lane, Pall Mell, London. | Goodison 1. | |
| TORRE, ANTHONY | England, fl.1767-88, PHIM | son of Giovanni Battista Torre; he was associated with the firms "Torre and Ciceri" (1780-82); "Torres Bros." (1783); he may have been a partner in "Tagliabue, Torre and Co." | 44 Market Lane, Pall Mall (1767-86); 132 Pall Mall (1786-88); both in London. | Goodison 1. | |
| TORRE, ANTHONY DE LA | England, fl.1805-23, OIM PHIM | barometer maker; succeeded by della Torre and Barelli; see Torre and Co. 1. | 12 Leigh Street (1805-11); 4 Leigh Street (1815-23); both in Red Lion Square, London. | Goodison 1. | |
| TORRE, DELLA | England, PHIM | Wheel Barometer = X. | Gloucester. | Goodison 1. | |
| TORRE, DELLA, AND BARELLI | England, fl.1826-33, PHIM | Wheel Barometer = X. | barometer and thermometer makers; succeeded Anthony de la Torre; the Torre was probably Joseph della Torre. | 9 Lamb's Conduit Street, London. | Goodison 1. |
| TORRE, DELLA, AND CO. | Canada, OIM | Telescope = D.(1976). | Halifax and St. Johns, New Brunswick. | Rinaldi 2. | |
| TORRE, GIOVANNI BATTISTA | Italy; France; Englandfl.1753-80, MIM PHIM | had a shop in Paris in 1760 to produce barometers and other instruments; opened a London branch in 1767; father of Anthony Torre. | Italy; Paris (1760); 44 Market Lane, Pall Mall, London (1767). | Goodison 1. | |
| TORRE, J. DELLA | Scotland, PHIM | Wheel Barometers = Scone Palace, X(4); Barometer = Henry Ford Museum, Greenfield, Mich. | barometer in Scone Palace is signed "I. della Torre Perth." | Perth. | Goodison 1. |
| TORRE, JOSEPH DELLA, AND CO. | England, fl.1834-51, PHIM | Stick Barometer = X; Barometer = Soth. 9/1/70. | the barometers are signed "Joseph Torre and Co., London." | 9 Lamb's Conduit Street, London. | Goodison 1; RSW. |
| TORRELLI, CHRISTOPHER | England, c.1830, OIM | Wood Hill, Northampton. | Taylor 2(2020). | ||
| TORRES | Spain, NIM | Sextant = MAN-I27. | Santander. | Garcia Franco 1. | |
| TORRI AND POZZI | England, PHIM | Wheel Barometer = X. | Wooton Bassett. | Goodison 1. | |
| TORRIANO | Spain, c.1550, MIM | Sundial = Convent in Yuste. | Gatty. | ||
| TORRIANO, GIANNELLO | Italy, | see Iancellus Cremonensis. | Cremona. | North 2. | |
| TORRICELLI, EVANGELISTA | Italy, 1608-47, MIM OIM PHIM | mathematician, and briefly a pupil of Galileo; Torricelli's work with air pressure led to his invention of the mercury barometer. | Florence. | G.L'E. Turner 24; Middleton 1; A.J. Turner 10; Daumas 1 | |
| TORRICELLI, JOSEPH | Italy, 1739, MIM | Armillary Sphere, 1739 = FLO. | Price thought the inventory number of this instrument was 117, Michel thought it was 1283. ?? | Florence. | Price 2; Michel 3. |
| TORTONA, CARLO ANTONIO | Italy, c.1685, OIM | author; invented the screw-barrel microscope in 1685. | Rome. | Dewhirst; Clay and Court. | |
| TORTONI | see Carlo Antonio Tortona. | Nachet. | |||
| TOSCANELLI, PAOLO DAL POZZO | Italy, 1397-1487, MIM | Sundial = dome of Santa Maria del Fiore, Florence. | Florence. | Bonelli 6. | |
| TOTTENHAM, EDWARD | Ireland, fl.1844-47, OIM | optician, watch and clock maker; "late of Spear and Co.". | 38 College Green, Dublin. | Morrison-Low and Burnett. | |
| TOULMIN, SAMUEL | England, fl.1757-83, PHIM | Angle Barometer = X. | Signed "Saml. Toulmin"; also a watchmaker. | Strand, London. | Goodison 1. |
| TOURNANT, ALEXANDRE | France; Germany; Englandc.1730-92, OIM | glass-grinder and turner; worked in France and Germany, then moved to England; worked for Matthew Boulton, 1770-72; succeeded by his widow and daughter; invented machines to reproduce and to polish lenses. | Paris; Berlin; Birmingham (1770-72); Paris. | Taylor 2(543); Daumas 1. | |
| TOURY, I. | France, 1790, MIM | Butterfield-type Sundial, silver, 1790 = Thomas Barnett Coll. | two silver proof marks for 1790, an axe and a fasces. | Paris. | Daumas 1; RSW. |
| TOWARD, WILLIAM GEORGE | England, c.1808, | apprenticed to William Parson 1 of the Grocers' Company on Feb. 4, 1808. | London. | J. Brown 1 & 2. | |
| TOWNLEY, RICHARD | England, fl.1660-1705, MIM | improved Gascoigne's micrometer; instrument designer and maker; had his own workshop; came from the North Country. | Townley Hall. | Taylor 1(288); Evans 1; Middleton 1. | |
| TOWNLEY, ROBERT | England, c.1738, | apprenticed to Joseph Jackson of the Grocers' Company on Aug. 4, 1738. | J. Brown 1. | ||
| TOWNSEND, C.H. | see Charles Hervey Townshend, Capt. | Moskowitz A; Kelton 1. | |||
| TOWNSHEND, CHARLES HERVEY, CAPT. | USA, 1833-1904, NIM | Double Reflecting Circles = MYS, Kelton Coll. (1990). | patented a double reflecting circle in 1888, signing "C.H. Townsend" on patent; model is in the New Haven Colony Historical Society; Moskowitz had one unsigned but marked as based on Townshend's 1888 patent; five reflecting circles are at Mystic Seaport; later ones were made by Stackpole and Bro., New York, N.Y.; at least one of the MYS circles may be signed "Capt. Henry Hervey Townshend." | New Haven, Conn. | RSW. |
| TOWNSHEND, HENRY HERVEY, CAPT. | see Capt. Charles Hervey Townshend. | RSW. | |||
| TOZIEGUY | France, c.1780, PHIM | Wheel Barometer and Thermometer = Drouot 11/19/70. | Bolbec. | RSW. | |
| TRACY, JOHN | England, fl.1735-42, MIM | apprenticed to Benjamin Scott in the Grocers' Company on Nov. 17, 1715; turned over to Thomas Heath 1 on Nov. 15, 1720; free of the Grocers' Company on Oct. 15, 1735; took apprentices. | Shoe Lane, Fleet Street (1735); St. Bride's lane, Fleet Street (1739-42); both in London. | J. Brown 1. | |
| TRACY, STEVEN | Holland, fl.1670-1703, MIM | Copernican Planetarium, geared = LEY; Celestial Globe, geared = ROT (destroyed in 1940); Armillary Sphere = LEO; Broadside, 1711 = USNM. | the planetarium is known as the "Leidse Sphera"; Tracy was an Englishman living in Holland, he sometimes used a latinized form of his name, "Thrasius." | Rotterdam. | Zinner 1; Rooseboom 1; Michel 3; Grimaldi (817); Drekker; USNM; RSW. |
| TRALLE | USA?, | invented a glass hydrometer; there is an example in the Salem Maritime Nat'l Historic Site, Mass. | RSW. | ||
| TRAPP, DAVID | Holland, c.1750, MIM | Compass Sundial, brass hour-scale and ivory box = Evans Coll. = OXF. | Zinner 1; Rooseboom 1; Gunther 2; Michel 3; Evans 1; RSW. | ||
| TRAUBAUD | France, c.1850, NIM | Traubaud's T.C. in the case for an octant by Buron of Paris. | Marseilles. | RSW. | |
| TRAUGHTON SIMMS | misreading of Troughton and Simms. | A-P 3/15/76. | |||
| TREACHER AND CO. | India, PHIM | Combined Barometer, Thermometer and Altimeter = Christie 12/21/71. | Bombay. | RSW. | |
| TRECENSIS | see I. Aubrius. | Hamilton. | |||
| TRECHSLER, CHRISTOPH 1 | Germany, fl.1572-1624, MIM SIM | made a wide range of mathematical instruments including sundials, octants, artillery levels, etc.; examples can be seen at ADL, DRE, OXF, SST, KES, VAA, BEK, STU, SKO, BM, HAK, POB, FLO, VIE, etc. | from 1605-24 signed as "der Elder", showing that his son, Christoph Trechsler 2, had joined him; "Mechanicus." | Dresden. | Zinner 1; Price 3; Ward 4; Engelmann 1; Hollands Glorie; Vincent 2; Michel 3; Evans 1; Abeler 1; ADL; RSW. |
| TRECHSLER, CHRISTOPH 2 | Germany, fl.1611-24, MIM | Altitude Insrument, 1623 = DRE; Sundial, 1624 = Göteborg Museum. | son of Christopher Trechsler 1; the instrument at Dresden is signed "C.T.S.M.F." (Christopher Trechsler Sohn Mechanicus Fecit); the sundial is signed "C.T.S.M." (Christopher Trechsler Sohn Mechanicus). | Dresden. | Zinner 1; Vincent 2. |
| TRECOT, CHARLES | France, PHIM | Stick Barometer = P.C.(1982). | Charles Trécot. | Rue de la Carpe, (Paris?). | RSW. |
| TRECOURT ET GEORGES OBERHAUSER | France, c.1850, OIM | Grand Microscope Achromatique = Phillips 11/16/88. | "Brevet d'Invention." | Place Dauphine No. 19, Paris. | RSW. |
| TRECOURT, ACHILLE | France, fl.1834-40, OIM | Achille Trécourt worked with Bouquet and Georges Oberhauser to develop a new form of microscope; optician; Pipping lists him as R. Trécourt. | Paris. | Nachet; Pipping 1. | |
| TREE, JAMES | England, c.1850, MIM | Slide Rules, Ewart-type = P.C., D.(1984); Rules (16), silvered brass = Phillips 2/2/84; Clinometer = Phillips 6/15/76. | the Ewart-type slide rules are marked "The Cattle Gauge and Key to weighing machine arranged by J. Ewart, Newcastle-on-Tyne"; showed in the Great Exhibition of 1851 in London. | 22 Charlotte Street, Blackfriars Road, London. | Delehar 2; Coffeen H; G.L'E. Turner 24; USNM; RSW. |
| TREET, JAMES | misprinting of James Tree. | G.L'E. Turner 24. | |||
| TREFFLER, CHRISTOPH | Germany, fl.1676-83, | owned a clockwork globe, dated 1683, by Christopher Rad of Augsburg; globe now lost. | Augsburg. | Zinner 1; Michel 3. | |
| TREFFLER, JOHANN PHILIPP | Germany; Italyfl.1625-97, MIM PHIM | Night Clocks = KAS, MST, TIM; Hydrometer = FLO. | turner; clockmaker; worked for Archduke Ferdinand II of Florence, 1656-64, as a clock and mathematical instrument maker; developed a pendulum clock and invented a vibration counter. | Augsburg (1625-56); Florence (1656-64); Augsburg (1664-97). | Bedini 2 & 15; Michel 3; Baillie. |
| TREFFLER, MARCUS | a ghost; this error was started by Perelli, the astronomer at the U. of Pisa, in 1771; continued by Baillie and Michel. | Baillie 1; Michel 3; Bedini 2. | |||
| TREMEL | France, fl.1763-1775, MIM OIM PHIM | Trémel; "mechanicien." | Daumas 1. | ||
| TREMLETT, RICHARD | England, fl.1852-58, PHIM | made barometers, thermometers, air pumps and other philosophical instruments. | 7 Guildford Place; 9 Albermarle Street; both in Clerkenwell, London. | Goodison 1; USNM. | |
| TRENDELL | England, PHIM | Stick Barometer = D.(1976). | Maidenhead. | RSW. | |
| TRESOLDI, G. | England, PHIM | Wheel Barometer = X. | Goodison 1. | ||
| TRESOLDI, J. | England, PHIM | Wheel Barometers = X (2). | 6 Union Bldgs., Leather Lane, London. | Goodison 1. | |
| TREVITT, ROBERT | England, 1706, MIM | Cruciform Sundial = Middle Moorfields, London (1707). | London. | Cousins. | |
| TRIBBLE, W.F. | USA, NIM | Liquid Compass = MYS. | New York, N.Y. | RSW. | |
| TRIEWALD, MARTEN | Sweden, 1691-1747, MIM | Mårten Triewald. | Arvet. | ||
| TRIGG | England, PHIM | Stick Barometer = Soth. 6/1/88. | Guilford. | RSW. | |
| TRITSCHLER, W. | England, PHIM | Wheel Barometer = D.(1973). | Carlisle. | RSW. | |
| TROAKE, HENRY | England, 1831, MIM | Weather Prognosticater, four dials, paper, 1831 = Soth. 9/20/83. | Topsham. | RSW. | |
| TROEMER, HENRY | Germany; USAfl.1840-?PHIM | Set of Weights = OXF. | balance maker; German locksmith who came to Philadelphia, Pa. in 1838; firm still in business in 1959 at original address. | 911 Arch Street (1840-?), Philadelphia, Pa. | USNM; G.L'E. Turner 24. |
| TROGER, JOSEF | Austria?, 1732, MIM | Horizontal Sundial, chalk-stone, 1732 = SAL. | Zinner 1. | ||
| TROLIER | 1795, MIM | Perpetual Calendar, 1795 = BM. | Price 3; Ward 4. | ||
| TROLLAY, ROBERT | England, 1655, MIM | Folding Rule, three sections, 1655 = RSM. | "Free Mason." | Yorke. | RSW. |
| TROMBETTA, CHARLES | England, PHIM | Wheel Barometers = X(3). | one of the barometers is signed "Trombetta Norwich"; the others are signed "Charles Trombetta." | Norwich. | Goodison 1. |
| TROSCHEL, HANNS | Germany, 1599?-pre-1634, MIM | made many ivory diptych sundials dated between 1614 and 1631; examples may be seen at ADL, WHI, MERC (1628), KAS, MUN, FLO, BASH, Gotha Landesmuseum, Ecouen (CLU), CHF (1631), etc. | son of Hans Troschel; Hanns Troschel's master mark was a star; Gouk listed him as "Hans the Younger." | Nürnberg. | Zinner 1; Gouk 1; Vincent and Chandler; Stewart; Hamilton 1 and 2; A.J. Turner 10; Bryden 16; ADL; RSW. |
| TROSCHEL, HANS | Germany, 1549-1612, MIM | made many ivory diptych sundials dated between 1580 and 1612; examples may be seen at ADL, NYM, KEN, OXF, DRE, MUN, BM, BEK, NOR, Ecouen (CLU), WHI, etc. | master mark was a thrush on a twig: he was made a Burger of Nürnberg in 1578. | Bamberg; Nürnberg. | Zinner 1; Price 3; Ward 4; Gouk 1; Vincent & Chandler; Hamilton 1 and 2; Bryden 16; USNM; ADL; RSW. |
| TROUGHTON | England, MIM NIM OIM PHIM SIM | a great many instruments are signed this way; probably most are the work of Edward Troughton 2. | London. | USNM; Coffeen 10; Mörzer Bruyns 1; Skopova; RSW. | |
| TROUGHTON AND SIMMS | England, fl.1826-1922, MIM NIM OIM PHIM SIM | wide range of instruments that may be seen in many museums; including, ADL, BRO, CNAM, Brown U., USNM, KEN, BM, West Point Museum, N.Y., OXF, WHI, PMS, MLL, COO, AMST, MYS, VNN, STM, Horten Marine Museum, etc. | Edward Troughton 2 took William Simms 2 as a partner to form Troughton and Simms in 1826; the firm name continued until 1922; Edward Troughton 2 retired in 1831; William Simms 3 joined his uncle in 1836 until 1860 when William Simms 2 died; William Simms 3 became a partner with James Simms 3, his cousin, from 1860 until 1871 when William Simms 3 retired; James Simms 3 ran the firm alone until his death in 1915; see Troughton and Simms (cont.) | ||
| TROUGHTON AND SIMMS (CONT.) | (cont.) William Simms 4 and James Simms 4 took over the firm and incorporated it as Troughton and Simms Ltd. in 1916; they merged with T. Cooke and Sons Ltd. of York in 1922 as Cooke, Troughton and Simms; Vickers Ltd. had acquired control of T. Cooke and Sons Ltd. in 1916 and that of Troughton and Simms Ltd. a few years later; firm was later renamed Vickers Instruments Ltd. | 136 Fleet Street, London (1826-41); 138 Fleet Street, London (1841-64); Woolwich Road, Charlton, Kent and 138 Fleet Street, London (1864 on). | Taylor 2(1728); J.A. Bennett 2; Goodison 1; Darius 4; Insley 1; Coffeen 13; Mörzer Bruyns 1; Taylor and Wilson; USNM; ADL; Bryden 16; RSW. | ||
| TROUGHTON, EDWARD 1 | England, fl.1740-64, MIM | divided and engraved mathematical instruments; uncle of John Troughton 2, Joseph Troughton 1, and Edward Troughton 2; John Troughton 2 joined his uncle's firm in 1760. | Lancaster; Surrey Street, Strand, London. | Taylor and Wilson; Goodison 1; Taylor 2(419); Daumas 1. | |
| TROUGHTON, EDWARD 2 | England, 1753-1835, MIM NIM OIM PHIM SIM | Dividing Engine, 1793 = KEN; one of the most important instrument makers of his era; he made a wide range of instruments that may be seen in many museums, including ADL, NMM, OXF, RSM, FLO, ROM, PEA, KEN, MLL, COO, LIM, DRE, etc. | apprenticed to his brother, John Troughton 2, in the Grocers' Company on Dec. 2, 1773; free of the Company on May 6, 1784; was a partner with his brother, John 2, from 1788 to 1804, as J. and E. Troughton; (Crawforth , Goodison, and Taylor & Wilson indicated that this partnership started much earlier ??); T.C.; Edward Troughton 2 took William Simms 2 as a partner in 1826, as Troughton and Simms; Troughton received the Copley Medal in 1809 and was made F.R.S in 1810. | see Edward Troughton 2 (cont.). | |
| TROUGHTON, EDWARD 2 (CONT.) | Surrey Street, Strand; the Orrery, 136 Fleet Street; both in London. | J. Brown 1; Taylor 2(778); Taylor and Wilson; Goodison 1; Skempton and Brown; DNB; DSB; Bryden 9; Daumas 1; G.L'E. Turner 24; Crawforth 1; NMM 2; ADL; RSW. | |||
| TROUGHTON, FRANCIS | England, c.1763, | apprenticed to John Troughton 1, his uncle or granduncle, in the Grocers' Company on Mar. 1, 1763. | J. Brown 1. | ||
| TROUGHTON, J. AND E. | England, fl.1782-1804, MIM NIM OIM PHIM SIM | Garden Sundial, 1795 = Trinity College Cambridge (?); Sextants = WHI, KEN, NMM; Slide Rule = KEN; Orrery, miniature = KEN; Reflecting Circle = NMM; Level = P-B 9/24/38. | John Troughton 2 and his brother Edward Troughton 2, (1782-1804); Taylor & Wilson and Goodison state that this partnership started earlier, before the takeover of the Benjamin Cole and Sons firm in 1782 | Surrey Street, Strand (pre-1782); The Orrery, 136 Fleet Street (1782-1804); both in London. | Taylor 2(662); J.A. Bennett 2; Goodison 1; J. Brown 1; Skempton and Brown; Dewhirst; Taylor and Wilson; RSW. |
| TROUGHTON, J. AND J. | England, fl.1764-70, MIM OIM PHIM | there are two possibilities: John Troughton 2 and his brother, Joseph Troughton 1 or John Troughton 1 and his nephew (or grandnephew), John Troughton 2; J. Brown found that Joseph Troughton 1 was apprenticed to his uncle (or granduncle), John Troughton 1 in the Grocers' Company on Oct. 16, 1765; she found no record of his freedom in the Company; we think that the second possibility is more likely. | Surrey Street, Strand, London. | J. Brown 1; Taylor 2(663); Goodison 1; Taylor and Wilson; RSW. | |
| TROUGHTON, JAMES | misreading for John Troughton 2. | Clay and Court. | |||
| TROUGHTON, JOHN 1 | England, c.1716-88, MIM | apprenticed to Thomas Heath 1 in the Grocers' Company, Jan. 17, 1735; free in the Company, Nov. 25, 1756; took apprentices, including his nephews or grandnephews, John Troughton 2, Francis Troughton, and Joseph Troughton 1. | Surrey Street, Strand, London; Lewisham (1788). | J. Brown 1; Skempton and Brown. | |
| TROUGHTON, JOHN 2 | England, fl.1764-1807, MIM OIM PHIM | apprenticed to his uncle (or granduncle), John Troughton 1, on Jan. 27, 1757, in the Grocers' Company; free of the Company, July 3, 1764; became a partner in J. and J. Troughton,(1764- 70); the other J. Troughton could have been John (1) or Joseph (1); took over the business of Benjamin Cole 2 in 1782 and moved to Cole's shop at The Orrery, 136 Fleet Street, London; took his brother, Edward Troughton 2 as a partner, 1788-1804; Taylor and Wilson, Goodison and E.G.R. Taylor thought the partnership with Edward Troughton 2, came earlier. | see John Troughton 2 (cont.). | ||
| TROUGHTON, JOHN 2 (CONT.) | Standgate lane, Lambeth (1752); at his uncle's in the Strand (1764); Crown Street, Fleet Street (1768); Dean Street, Fetter Lane (1773); Queen's Square, Bartholomew Close (1779-80); The Orrery, 136 Fleet Street (1782-1807); all in London. | J. Brown 1; Taylor 2(662); Skempton and Brown; Taylor and Wilson; Goodison 1; Wynter 1; Crawforth 1; J.A. Bennett 2; A.J. Turner 10. | |||
| TROUGHTON, JOSEPH 1 | England, c.1765, MIM | apprenticed to his uncle (or granduncle), John Troughton 1, in the Grocers' Company on Oct.16, 1765; Taylor and Wilson, Goodison and E.G.R. Taylor state the Joseph Troughton 1 was a partner with his brother, John Troughton 2, as J. and J. Troughton (1764-70); however it is possible the other partner may have been John Troughton 1. | Surrey Street, Strand, London. | J. Brown 1; Taylor and Wilson; Goodison 1; Taylor 2(663). | |
| TROUGHTON, JOSEPH 2 | England, c.1780, | son of Joseph Troughton 1; apprenticed to his uncle, John Troughton 2, of the Grocers' Company on July 6, 1780. | J. Brown 1. | ||
| TROW, ISAAC | England, fl.1830-37, MIM | Rule, boxwood = Soth. 10/15/73; Sector, ivory = Soth. 10/15/73. | "late R. Bakewell, Birmingham." | 8 Court, Loveday Street, Birmingham. | Taylor 2(2031); RSW. |
| TRUEG, L.I. | USA, c.1869, | took out patents on sundials in 1869 and 1870. | Saint Vincent's, Pa. | USNM. | |
| TRUNDY AND JONES | USA, NIM | "Makers"; John Trundy 2 and Jones; T.C. in marine compass by John Trundy 2, ADL-W186. | Portsmouth, N.H. | ADL; RSW. | |
| TRUNDY, JOHN 1 | USA, 1774-1802, MIM SIM | Surveyor's Compasses = DPW, DeLuca 8/1/87. | the compass cards were engraved by Thomas Wightman. | Portsmouth, New Hampshire. | Bedini 8; Warner 12; RSW. |
| TRUNDY, JOHN 2 | USA, 1800-73, MIM NIM SIM | Marine Compasses = Portsmouth Historical Society, New Hampshire, ADL-W186; Surveyor's Compass = New Hampshire Historical Society, Concord, N.H. | worked with Jones; see Trundy and Jones. | 18 Bow Street (1851); 50 Bow Street (1860-61); both in Portsmouth, N.H. | Smart 1; USNM; ADL; RSW. |
| TRUSCOTT 1 | England, PHIM | Wheel Barometer = X. | St. Austle. | Goodison 1. | |
| TRUSCOTT 2 | England, PHIM | Wheel Barometer = X. | St. Columb. | Goodison 1. | |
| TSCHIRNHAUS, EHRENFRIED WALTER VON | Germany, 1651-1708, OIM | Burning Glass = DRE; Double Burning Glass, large = DRE. | Klesslingswaldo, Saxony. | RSW. | |
| TSCHLER | see Haalstatt und Tschler. | RSW. | |||
| TUCHER | see Ducher; all instruments that we have seen by this family are Ducher or T.D., etc; Zinner and Gouk put them under Tucher. | Zinner 1; Bryden 16; Gouk 1; RSW. | |||
| TUCHER, HANS | see Hans Tucher 3. | Gouk 1; Bryden 16; RSW. | |||
| TUCKER, ROBERT | England, PHIM | Wheel Barometers = X(2). | the barometers are signed "R. Tucker, Taunton"; jeweller. | 41 North Street, Taunton. | Goodison 1. |
| TULLEY | England, c.1826, OIM | Microscope, 1826 = Wellcome Coll., KEN; Telescopes = Christie-SK 8/20/87, Baily Sale 4/25/1845. | probably Charles Tulley. | Islington, London. | Chaldecott 3; RGO; Nuttall 3; RSW. |
| TULLEY, C., AND SONS | England, fl.1800-30, OIM | Telescopes, refracting = Phillips 10/26/83, Soth. 5/21/73 & 3/25/83; Telescope, achromatic = Baily Sale 4/24/1845; Microscope = Baily Sale 4/24/1845. | Charles Tulley and his sons, William and Thomas Tulley | Turrel Court , Upper Street (later 7 Church Row), Islington, London. | Taylor 2(903); Chaldecott 3; RGO; RSW. |
| TULLEY, CHARLES | England, 1761-1830, OIM | Telescopic Eyepieces (2) = D.(1971). | father of Thomas and William Tulley, which see; may have served his apprenticeship with the Dollonds; made large, achromatic telescopes, up to twelve feet long; not a member of the Spectaclemakers' Company; T.C. dated 1817. | London; Turrel Court, Islington, London. | Crawforth 1; Court and von Rohr 3(XL); Moskowitz 102; Clay and Court; H.C. King 2; Thoday; J.A. Gould; RSW. |
| TULLEY, EDWARD | England, OIM | not a member of the Spectaclemakers' Company. | Court and von Rohr 3(XLI). | ||
| TULLEY, HENRY | England, 1793-1833, MIM OIM PHIM | Wheel Barometers = X, Christie-SK 11/27/86; Pantograph = Christie-SK 5/10/77; Instrument = WHI. | optician; son of Charles Tulley; (Taylor indicated that he was the grandson). | London; 5 Kingston Bldgs. (1822-22); 3 Pulteney Bridge (1830-33); both in Bath. | Taylor 2(903); Bryden 9; Goodison 1; J.A. Gould; RSW. |
| TULLEY, THOMAS | England, 1791-1846, OIM | son of Charles Tulley; brother of William Tulley; partner in C. Tulley and Sons and later in William and Thomas Tulley. | London. | Taylor 2(903); J.A. Gould. | |
| TULLEY, WILLIAM | England, 1789-1835, OIM | son of Charles Tulley; brother of Thomas Tulley; partner in C. Tulley and Sons; later a partner in William and Thomas Tulley; produced an achromatic microscope lens in 1826; worked with Joseph Jackson Lister. | Turrel Court, Islington, London. | Taylor 2(903)(1235); Clay and Court; Daumas 1; J.A. Gould. | |
| TULLEY, WILLIAM AND THOMAS | England, c.1820, OIM | brothers; sons of Charles Tulley. | Islington, London. | Taylor 2(1235)(903). | |
| TUNG, L. | England, MIM | Vertical Sundial = WRAY. | similar to the Zappech-type. | Evans 1. | |
| TUNSTED, SIMON | England, 1326-69, | "Donostadius"; improved the Albion and the Rectangulus. | Norwich; Oxford; Suffolk. | Michel 3. | |
| TURCHETTI, PETER | England, PHIM | Wheel Barometer = X. | Dorchester. | Goodison 1. | |
| TURELLI, ANTHONY | England, fl.1830-37, PHIM | barometer maker. | 41 Dean Street, Newcastle. | Taylor 2(2019). | |
| TURNBULL AND CO. | Scotland, NIM OIM | Sextants = Soth. 10/18/71, D.(1972). | opticians; the sextant at Sotheby's was # 9593. | Edinburgh and Leith. | RSW. |
| TURNBULL, CHARLES | England, fl.1556-1608, MIM | Pillar Sundial, 1605 = Corpus Christi College. | diallist; author; constructed stone polyhedral sundials; see C.T. 4. | Lincolnshire. | Taylor 1(49); Gatty; Earle. |
| TURNBULL, THOMAS | England, fl.1818-40, PHIM | Stick Barometer = X. | the barometer is signed "Thos. Turnbull." | Whitby. | Goodison 1; Baillie 1. |
| TURNER, CHARLES | England, 1703, NIM | Nocturnal, 1703 = PAK-117. | RSW. | ||
| TURNER, CHRISTOPHER | England, c.1635, MIM | free in the Joiners' Company; took apprentices. | Crawforth 7. | ||
| TURNER, JOHN | England, fl.1817-25, OIM | "working optician". | 64 Upper King Street, Bloomsbury, London. | Taylor 2(1448). | |
| TURNER, JOSEPH | England, fl.1717-38, MIM | apprenticed to Richard Hutchinson of the Clockmakers' Company on Dec. 5, 1709; free of the Company, July 1, 1717; worked with John Barston to produce Barston's "Universal Astronomi- cal Quadrant", c.1738. | Hatton Garden, London. | Taylor 2(314); J. Brown 3; Evans 1. | |
| TURNER, REV. T. | England, fl.1742-60, MIM | Perpetual Calendars = BM (1742), Evans Coll. (1760). | the calendar in the Evans Coll. is of cardboard and is signed "Rev. Turner Worcester". | Worcester. | Esdaille; RSW. |
| TURNER, THOMAS | England, c.1823, MIM | Timber-measuring Instrument = NMM. | Marlborough. | A.J. Turner 3. | |
| TURNHOUT, JOH. | Germany, 1671, MIM | Universal Ring Sundial, 1671 = Drecker Coll. = DPW. | Herzogenbosch. | Zinner 1. | |
| TUSTIAN AND CO. | England, fl.1840-82, MIM | rule makers; | 18 Princes Square, Ratcliffe Highway (1840-46); Princes Square, St. George Street, East (1847-82); both in London. | Crawforth 5. | |
| TUSTIAN, THOMAS | England, fl.1836-39, MIM | Slide Rule, boxwood = P.C.; Rule, folding = X. | the folding rule is marked "No. 2 Princes Square ----"; see Tustian and Co.. | 18 Princes Square, Ratcliffe Highway (1836, 1839); Princes Square, St. George Street, East (1838); 2 Princes Square, Ratcliffe Highway; all in London. | Delehar 4; Crawforth 5. |
| TUTHER, JOHN | England, fl.1817-25, OIM PHIM | Telescope = Soth. 5/19/83; Microscope, aquatic = KEN; Balance = KEN; Electrical Machine = CMY; Stick Barometers = X (2). | 64 Upper King Street, Bloomsbury (1817); 221 High Holborn (1819-25); both in London. | Goodison 1; Taylor 2(1449); G.L'E. Turner 24; Clay and Court; RSW. | |
| TUTTELL, THOMAS | England, fl.1695-1702, MIM NIM PHIM SIM | made a wide range of sundials, mathematical instruments, etc, including a presentation set in ivory of a cross-staff, a backstaff, and a Gunter's rule all at NMM; examples can be seen at NMM, BM, OXF, VAA, Norwich Museum, WHI, KEN, etc. | apprenticed to Henry Wynne of the Clockmakers' Company on April 2, 1688; free of the Company, July 1, 1695; took apprentices; invented a type of analemmatic sundial; Trade Cards, one in French; "Mathematical Instrument Maker to the King's most Excellent Majesty", 1700-02 (King William); Tuttell drowned in 1702 while on a marine survey. | at the King's Arms and Globe at Charing Cross and at his shop facing the Royal Exchange in Cornhill, London. | J. Brown 3; Taylor 1(497); Crawforth 1; Robischon; RSW; A.J. Turner 10; Michel 3; Bryden 16; Goodison 1; Stevens and Aked. |
| TUTTLE | USA, fl.1820-40, PHIM | see Dillon and Tuttle. | RSW. | ||
| TWADELL, WILLIAM | Scotland, c.1850, PHIM | Hydrometers, glass = Christie-SK 3/31/83, Cavendish Laboratory, Cambridge (5); Stick Barometer = Soth.-S 1/25/89. | is he the same as Twydell, which see? | Glasgow. | Dewhirst; RSW. |
| TWEER, HANS | Belgium, MIM | Antwerp. | Evans 1. | ||
| TWYDELL | Scotland, c.1790, PHIM | Stick Barometer = P-B 10/7/44. | see William Twadell, may be the same man. | Glasgow. | RSW. |
| TYCHER, HANS | Germany, 1583, MIM | Diptych Sundial, 1583 = Soth. 9/20/83. | misreading or miswriting for Tucher (Ducher). | RSW. | |
| TYCOS/SHORT AND MASON LTD | England, c.1900, PHIM | Compass Stand for universal ring sundial = ADL-T32. | "Tycos" is over the other name; Tycos had recently bought the firm. | London. | Tomlinson 1; ADL; RSW. |
| TYLER | England, PHIM | Stick Barometer = K. and C. 9/20/71. | probably James or John Tyler. | London. | RSW. |
| TYLER, JAMES | England, fl.1844-56, PHIM | barometer and thermometer maker; succeeded by Mrs. F. Tyler in 1857, probably his widow. | 5 Charles Street (1844-55); 21 Charles Street (1856); both in Hatton Garden, London. | Goodison 1. | |
| TYLER, JOHN | England, fl.1829-36, PHIM | barometer and thermometer maker. | 15 Great New Street, Fetter Lane (1829-33); 22 1/2 Kirby Street (1838); both in London. | Goodison 1. | |
| TYLER, MRS. F. | England, fl.1857=60, PHIM | barometer maker; succeeded James Tyler; probably his widow. | 21 Charles Street (1857-58); 23 Charles Street (1859-60); both in Hatton Garden, London. | Goodison 1. | |
| TYLER, RUFUS | USA, c.1828, MIM | received a patent for a dividing engine in 1828. | Philadelphia, Pa. | Bedini 8; USNM. | |
| TYLER, WILLIAM | owner of a Hadley's quadrant made by John L. Leverton in 1783, in Liverpool. | RSW. | |||
| TYZACH, EDWARD | England, 1713, NIM | Nocturnal, wood, 1713 = Evans Coll.? | Bristol. | Evans 1. | |
| TZECK, JOSEPH | see Josef Czech. | Habacher. |
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