Voyage dans les mers de l'Inde, fait par ordre du Roi, à l'occasion du passage de Vénus, sur le disque du soleil, le 6 juin 1761, & le 3 du même mois 1769. Imprimé par ordre de Sa Majesté

First edition, illustrated with 27 engraved plates (13 in the first volume and 14 in the second – plates 1–7 mistakenly bound after plates 8–14), cf. Ryckebusch 4989. Toussaint et Adolphe D 903. Gay 3239. Robertson 129.

Full mottled fawn calf bindings, flat spines gilt with triple fillets and floral tools (gilding partly faded), gilt roll tooling to headcaps, cherry morocco title and volume labels, plain endpapers with some usual marginal soiling, marbled edges. 19th-century bindings presented in two modern custom slipcases.

Joints restored, internally clean and well-preserved.

The astronomer Guillaume Joseph Hyacinthe Jean-Baptiste Le Gentil de La Galaisière (1725–1792), a student of Jean-Dominique Cassini, spent nearly ten years in India and travelling through the Indian Ocean region.

"His work contains valuable information on currents, tides, monsoons, etc. He introduced knowledge of the Hindu zodiac and Brahmanic astronomy, and noted its concordance with Chaldean science" (Hoefer).

The second volume is entirely devoted to the Philippines (pp. 1–366, plates 1–5), Madagascar (pp. 367–628, plates 6–10), and the islands of France and Bourbon (pp. 629–844, plates 11–14).