Online Encyclopedia

THOMAS FREDERICK COLBY (1784-1852)

Online Encyclopedia
Originally appearing in Volume V06, Page 660 of the 1911 Encyclopedia Britannica.
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THOMAS FREDERICK COLBY (1784-1852)  ,
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British major-general and director of ordnance survey, was born at St Margaret's, Rochester, on the 1st of September 1784, a member of a South Wales
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family . Entering the Royal Engineers he began in 1802 a
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life-long connexion with the Ordnance Survey department . His most important
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work was the survey of Ireland . This he planned in 1824, and was engaged upon it until 1846 . The last sheets of this survey were almost ready for issue in that
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year when he reached the rank of major-general, and according to the rules of the service had to vacate his survey appointment . He was the inventor of the compensation bar, an apparatus used in
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base-measurements . He died at New
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Brighton on the 9th of
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October 1852 .

End of Article: THOMAS FREDERICK COLBY (1784-1852)
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