Voyage en Californie pour l’observation du passage de Vénus sur le disque du soleil le 3 juin 1769. Contenant les observations de ce phénomène, & la description historique de la route de l’auteur à tr

by Jean-Baptiste Chappe D’auteroche

€8,500 · Offered by Librairie Clavreuil

Hill, 278 ; Sabin, 12003 ; John Carter Brown, 1818 ; Howes, C-299 ; DSB, III, 198. Édition originale posthume. Chappe d Auteroche (1728-1769), parti en expédition pour observer le transit de Vénus en Amérique du Sud, succomba à une maladie inconnue et trouva la mort et décéda à San José del Cabo en Californie le 1er oût 1769. Grand scientifique il fut remarqué par Jacques Cassini (1677-1756) sous lequel Chappe d Auteroche publia une nouvelle édition corrigée des tables astronomiques données par Halley auparavant. « Chappe s fame rests essentially on his role in the observation of the transits of Venus of 1761 and 1769, but his first important scientific communication was connected with the antecedent though not unrelated transit of Mercury of 1753. Between this event and his election to the Académie des Sciences as adjoint astronomer in 1759, Chappe undertook surveys in Lorraine that involved latitude determination derived from measurement of the meridian altitudes of selected stars of the sun’s limb, and longitude determination from lunar eclipses and the occultations of stars…. The twin transits of Venus were the capstone of eighteenth-century observational activity, and Chappe shared in these great event, in the former through his participation in a Siberian winter expedition in 1761 and in the latter through his participation in an expedition to southern California to observe the transit of Venus in 1769… [Chappe] died of an unknown epidemic disease that killed ll but one

• Binding: Hardcover

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