Paris, Veuve d’Edme Martin, Jean Boudot & Estienne Martin, 1687.
4to (250x190 mm), (12)-133-(2) pages and 13 folding plates. (3 preliminary leaves are missing). binding : Contemporary full calf, gilt spine in six compartments.
references: MacTutor Index ["In 1687 Varignon published 'Projet d'une nouvelle méchanique' which studied composition of forces using Leibniz's differential calculus in the study of mechanics"], DSB [XIII, 584], Bibliotheca mechanica [p.337 :"Varignon's first book, published the same year as 'Principia', announces the principle of the composition of forces"].
Price : 450 €