CASTEL (Louis). LE VRAI SYSTEME DE PHYSIQUE GENERALE DE M. ISAAC NEWTON, EXPOSE ET ANALYSE EN PARALLELE AVEC CELUI DE DESCARTES. Paris, C.-F. Simon, 1743. In-4°, marbled calf, spine decorated, red tr. ORIGINAL EDITION with 3 folding plates. Louis Castel, born in Montpellier in 1688, friend and collaborator of Rameau, refutes Newton's system in favour of Descartes. An added portrait and 3 folded plates. Scattered foxing, small stain to title, a nicely bound copy.