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2021-01-03 20:42:17
Maupertuis, P.L. Moreau De"
Sur la Figure de la Terre determinee par Messieurs de l'Academie royale des Sciences, qui ont mesure le degre du meridien au Cercle Polaire."
Paris, l'Imprimerie Royale, 1740. 4to (25.8 x 20.2 cm). pp. 90-96; 389-469 In: Histoire de l'Academie royale des Sciences Annee Mdcccxxxvii. Engraved allegorical frontispiece; title page; [vi], 120, 492 pp.; engraved map of Lapponia; five engraved, folded plates. Contemporary full polished calf. Boards with double gilt borders; spine with five raised bands, gilt floral patterns and two red morocco labels with gilt title. Gilt floral inner dentelles. Marbled endpapers. Mottled edges. The first accurate measuring of the shape of the Earth, by the French mathematician, astronomist, philosopher, and director of the Academie des Sciences, Pierre Louis Moreau de Maupertuis (1698-1759). The results of Maupertuis's researches were first communicated at the Academy during a public meeting “Discours qui a ete lu dans l'assemblee publique du 13 Novembre 1737”, but not put into print in the academy's Histoire until the next year, in a small octavo booklet. “In the 1730s, the shape of the Earth became a flashpoint in the battle among rival systems of mechanics. Maupertuis, based on his exposition of Newton (with the help of his mentor Johan Bernoulli) predicted that the Earth should be oblate, while his rival Jacques Cassini measured it astronomically to be prolate. In 1736 Maupertuis acted as chief of the French Geodesic Mission sent by King Louis Xv to Lapland to measure the length of a degree of arc of the meridian. His results. essentially settled the controversy in his favour” (Wikipedia). This is the first quarto edition, in which Maupertius starts with a narrative of the voyage t … [Click Below for Full Description]
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