Folding engraved plate in Vol. IV. Five vols. Large 4to, handsome antique blue morocco-backed marbled boards, flat spines nicely gilt. Paris: J.B.M. Duprat & others, An VII [1798]-1825.

First edition and a complete set with all the supplements. In this monumental and fundamental astronomical work, Laplace -- the "Newton of France" -- codified and developed the theories and achievements of Newton, Euler, d'Alembert, and Lagrange. "Laplace maintained that while all planets revolve round the sun their eccentricities and the inclinations of their orbits to each other will always remain small. He also showed that all these irregularities in movements and positions... More