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JEAN CHARLES BORDA (1733-1799)

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Originally appearing in Volume V04, Page 243 of the 1911 Encyclopedia Britannica.
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See also:

JEAN See also:CHARLES See also:BORDA (1733-1799)  , See also:French mathematician and nautical astronomer, was See also:born at Dax on the 4th of May 1733 . He studied at La See also:Fleche, and at an See also:early See also:age obtained a See also:commission in the See also:cavalry . In 1756 he presented a Memoire sur le mouvement See also:des projectiles to the See also:Academy of Sciences, who elected him a member . He was See also:present at the See also:battle of Hastembeck, and soon afterwards joined the See also:naval service . He visited the See also:Azores and the See also:Canary Islands, of which he constructed an admirable See also:map . In 1782 his See also:frigate was taken by a See also:British See also:squadron; he himself was carried to See also:England, but was almost immediately released on See also:parole and returned to See also:France . He died at See also:Paris on the loth of See also:February 1799 . See also:Borda contributed a See also:long See also:series of valuable See also:memoirs to the Academy of Sciences . His researches in See also:hydrodynamics were highly useful for marine See also:engineering, while the reflecting and repeating circles, as improved by him, were of See also:great service in nautical See also:astronomy . He was associated with J . B . J .

See also:

Delambre and P . F . A . Mechain in the See also:attempt to determine an arc of the See also:meridian, and the greater number of the See also:instruments employed in the task were invented by him . See J . B . See also:Biot, " See also:Notice sur Borda " in the Mein. de l'Acad. des Sciences, iv .

End of Article: JEAN CHARLES BORDA (1733-1799)
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