DESCARTES (René). The Principles of Philosophy. Paris, Leclerc, 1724. In-12, new revised and corrected edition illustrated with 4 fold-out plates bound at the end of the volume. Bound in contemporary full marbled calf, 5-ribbed spine, red morocco title-piece. (small stains on boards, missing headpieces, name scratched on title, owner's name cut out at top of white endpaper). Expert : Mr. Nicolas Asvisio