MAUPERTUIS, (PIERRE LOUIS MOREAU DE). - LOXODROMIC NAVIGATION.

Traité de la Loxodromie tracee sur la veritable Surface de la Mer.

(Paris, L'Imprimerie Royale, 1748). 4to. Without wrappers. Extracted from "Mémoires de l'Academie des Sciences. Année 1744.". Pp. 462-774, textillustrations.

First printing of this importent paper in which Maupertuis proves that the Loxodromic line or Rhumbline is the shortest way between two points on the globe after he had proved, by the measuring results, that the globe is a spheroid. The paper is of great importence in the history of navigation.

Order-nr.: 45802