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- [1821-1823] (Création/Production)
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1 volume
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Notice biographique
In 1821–1823 Thomas Colby was deputed by the Royal Society, with Captain Henry Kater, to work with the astronomers Arago and Matthieu of the Académie des Sciences to verify observations made forty years earlier connecting the triangulations of England and France. For cross-channel observations, Fresnel lamps with compound lenses 3 feet in diameter were used, and Colby's description of them influenced Robert Stevenson to adopt them in British lighthouses. ( Source: Oxford DNB).
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GB 0117 MS/232 [1821-1823] Sub-fonds 1 volume Arago , François Jean Dominique , 1786-1853 , mathematician, physicist, astronomer and politician x Arago , Francesc Joan Dominic
Colby , Thomas Frederick , 1784–1852 , surveyor and army officer
Kater , Henry , 1777-1835 , scientist
In 1821–1823 Thomas Colby was deputed by the Royal Society, with Captain Henry Kater, to work with the astronomers Arago and Matthieu of the Académie des Sciences to verify observations made forty years earlier connecting the triangulations of England and France. For cross-channel observations, Fresnel lamps with compound lenses 3 feet in diameter were used, and Colby's description of them influenced Robert Stevenson to adopt them in British lighthouses. ( Source: Oxford DNB).
Observations for ascertaining the distances across the English Channel made by direction of the French and English Governments, bearing the signatures of François Arago, Henry Kater and Thomas Colby.
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No publication without written permission. Apply to Archivist in the first instance.
English
Sources: Oxford DNB. Copied from the Royal Society catalogue by Sarah Drewery.
General International Standard Archival Description, ISAD(G), second edition, 2000; National Council on Archives Rules for the Construction of Personal Place and Corporate Names 1997.
Feb 2009. Arago , François Jean Dominique , 1786-1853 , mathematician, physicist, astronomer and politician x Arago , Francesc Joan Dominic Surveying Kater , Henry , 1777-1835 , scientist Colby , Thomas Frederick , 1784-1852 , surveyor and army officer Geography London England UK Western Europe France Europe
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Observations for ascertaining the distances across the English Channel made by direction of the French and English Governments, bearing the signatures of François Arago, Henry Kater and Thomas Colby.
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No publication without written permission. Apply to Archivist in the first instance.
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- anglais
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- latin
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English
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General International Standard Archival Description, ISAD(G), second edition, 2000; National Council on Archives Rules for the Construction of Personal Place and Corporate Names 1997.
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- anglais