CASSINI, Jacques Élémens d'astronomie. Paris Imprimerie... Lot 1026

CASSINI, Jacques Élémens d'astronomie. Paris Imprimerie royale 1740 4to: 16-[12]-643 pp.; 21 + 5 pl. (a few sm. spots, blank part of title cut out and underlaid). Uncut copy. Mod. half calf, marbled paper covers. Complete 1st ed. by J. Cassini whose principal areas of interest were the study of the planets and their satellites, in particular the inclination of the orbits of the satellites and the structure of the rings of Saturn. Ref. Houzeau & Lancaster 9251.