See also:

• EDWARD

EDWARD See also:

• EDWARD TROUGHTON (1753-1835)

TROUGHTON (1753-1835)  , See also:

• ENGLISH

English . See also:

• INSTRUMENT (Lat. instrumentum, from insincere, to build up, furnish, arrange, prepare)

instrument maker, was See also:

• BORN, IGNAZ, EDLER VON (1742–1791)

born in the See also:

• PARISH (Gr. irapouda, district, neighbourhood; 7r&poucos, one dwelling near or beside, from crap&, OtKOS, house; Lat. paroecur, Late Lat. parochia; cf. Fr. paroisse)

parish of Corney in See also:

• CUMBERLAND
• CUMBERLAND, DUKES AND EARLS OF
• CUMBERLAND, RICHARD (1632-1718)
• CUMBERLAND, RICHARD (1732-1811)
• CUMBERLAND, WILLIAM AUGUSTUS

Cumberland in See also:

• OCTOBER

October 1753 . He joined his See also:

• ELDER (0. Eng. ellarn; Ger. Holunder; Fr. sureau)
• ELDER (Gr. 1rpev(3iTepos)

elder See also:

• BROTHER

brother See also:

• JOHN
• JOHN (1167–1216)
• JOHN (1290-c. 1320)
• JOHN (1296-1346)
• JOHN (1371–1419)
• JOHN (1468-1532)
• JOHN (1801-1873)
• JOHN (Heb. llni')
• JOHN (ZAPOLYA) (1487-1540)
• JOHN, 4TH MARQUESS OF TWEEDDALE (c. 1695-1762)
• JOHN, DON (1545-1578)
• JOHN, DON (1629–1679)
• JOHN, GOSPEL OF ST
• JOHN, or HAYS (1513–1571)
• JOHN, THE APOSTLE
• JOHN, THE EPISTLES OF

John in carrying on the business of making mathematical See also:

• INSTRUMENTS

instruments in See also:

• FLEET

Fleet See also:

• STREET
• STREET, GEORGE EDMUND (1824-1881)

Street, See also:

• LONDON

London, and continued it alone after his brother's See also:

• DEATH

death, until in 1826 he took W . See also:

• SIMMS, WILLIAM GILMORE (1806–1870)

Simms as a partner . He died in London on the 12th of See also:

• JUNE

June 1835 . See also:

• TROUGHTON, EDWARD (1753-1835)

Troughton was very successful in improving the See also:

• MECHANICAL

mechanical See also:

• PART

part of most nautical, See also:

• GEODETIC

geodetic and astronomical instruments, but See also:

• COMPLETE

complete See also:

• COLOUR (Lat. color, connected with celare, to hide, the root meaning, therefore, being that of a covering)

colour-See also:

• BLINDNESS

blindness prevented him from attempting experiments in See also:

• OPTICS

optics . The first See also:

• MODERN

modern transit circle was constructed by him in 18o6 for See also:

• STEPHEN
• STEPHEN (1097?-1154)
• STEPHEN (ISTVAN) BATHORY (1533-1586)
• STEPHEN, SIR JAMES (1789-1859)
• STEPHEN, SIR JAMES FITZJAMES, BART
• STEPHEN, SIR LESLIE (1832-1904)

Stephen Groombridge; but Troughton was dissatisfied with this See also:

• FORM (Lat. forma)

form of instrument, which a few years afterwards was brought to See also:

• GREAT

great perfection by G. von See also:

• REICHENBACH
• REICHENBACH, GEORG VON (1772–1826)

Reichenbach and J . G . See also:

• REPSOLD, JOHANN GEORG (1771–1830)

Repsold, and designed the mural circle in its See also:

• PLACE (through Fr. from Lat. platea, street; Gr. IrAar6s, wide)

place . Thg first instrument of this See also:

• KIND (O. E. ge-cynde, from the same root as is seen in " kin," supra)

kind erected at See also:

• GREENWICH

Greenwich in 1812, and ten or twelve others were subsequently constructed for other observatories; but they were ultimately superseded by Troughton's earlier See also:

• DESIGN (Fr. desiin, drawing; Lat. designare, to mark out)

design, the transit circle, by which the two co-ordinates of an See also:

• OBJECT

object can be determined simultaneously . He also made transit instruments, equatorials, &c.; but his failure to construct an See also:

• EQUATORIAL

equatorial mounting of large dimensions, and the consequent lawsuit with See also:

• SIR

Sir See also:

• JAMES
• JAMES (Gr. 'IlrKw,l3or, the Heb. Ya`akob or Jacob)
• JAMES (JAMES FRANCIS EDWARD STUART) (1688-1766)
• JAMES, 2ND EARL OF DOUGLAS AND MAR(c. 1358–1388)
• JAMES, DAVID (1839-1893)
• JAMES, EPISTLE OF
• JAMES, GEORGE PAYNE RAINSFOP
• JAMES, HENRY (1843— )
• JAMES, JOHN ANGELL (1785-1859)
• JAMES, THOMAS (c. 1573–1629)
• JAMES, WILLIAM (1842–1910)
• JAMES, WILLIAM (d. 1827)

James See also:

• SOUTH
• SOUTH, ROBERT (1634–1716)

South, embittered the last years of his See also:

• LIFE

life .