82 - GALILEO. GALILEO’S NEW THOUGHTS, in which he discusses the proportion of natural and violent movements, and all that is most subtle in Mechanics and Physics, in which one will find admirable inventions and demonstrations unknown until now. Translated from Italian into French.

GALILEO. GALILEO’S NEW THOUGHTS, in which he discusses the proportion of natural and violent movements, and all that is most subtle in Mechanics and Physics, in which one will find admirable inventions and demonstrations unknown until now. Translated from Italian into French. Paris, Henry Guénon, 1639. In-8, [16]-252 (of 256)-[2] (errata and privilege) pages, [ã1] ã3-9, A-Q9, soft ivory vellum (contemporary binding) FIRST EDITION of Marin Mersenne’s French adaptation with critical commentary. This is the first printing featuring a variant title and introductory pages. We have been unable to locate any other copy of this variant. The edition cataloged by Cinti and Riccardi was printed by Pierre Rocolet and contains 28 unnumbered introductory pages. This copy has 16: title page (blank verso); [pp. 3–11]: Preface, To the Reader; [pp. 12–16]: It is illustrated with several woodcut diagrams and figures within the text and a folded insert. First-edition copy, acquired by Henry Guénon, with a “printed” stamp dated October 11, 1638. It appeared a few months before Pierre Rocolet’s edition, under a slightly different title. The leaves (K8 and H3) are missing. The vellum on the front cover is missing; the edges of the cover are frayed with a small tear. Two leaves are slightly stained and have a small marginal stain. (Cinti 104 “Biblioteca galileiana (variant) – (Riccardi I, 516, biblioteca matematica italiana no. 12-2 (variant). Provenance: Beata Maria de Rastollis and Gabrielis Nelle’s collection of old handwritten bookplates.