Laplace, P.-S. — Exposition du Système du Monde.
1835 (6th ed.) xiv, 474, [1] p., frontispiece (portrait Laplace), small 4to (21,5 x 27,5 cm), contemporary half dark green sheep leather (basane) with gilt author/title and ornaments on spine, marbled boards. Marbled endpapers. Small ink-stain on half-title, some scattered slight foxing and faint waterstain on last 15 pages, else good tightly bound copy. This is the 6th edition of one main works of Pierre -Simon Laplace (1749-1827) and also the last edition to which Laplace worked and improved upon. His death prevented him to make all the improvements, but this remains the most complete edition of this work.