BERNOUILLI Johann. Opera omnia. Lausanne and Geneva,... Lot 7

BERNOUILLI Johann. Opera omnia. Lausanne and Geneva, Marc-Michel Bousquet, 1742; 4 vols. in-4, contemporary brown morocco bindings, gilt lace framing the boards, central gilt motif with small irons, spines with six very ornate gilt motifs, gilt edges. First collective edition in part original published by G. Cramer of the works of this Swiss mathematician. Bernouilli was one of the first to study, understand and apply to various problems the infinitesimal calculus recently invented by Leibniz. Despite the title in Latin most of the texts are printed in French. Beautiful ornamented portrait of the author, engraved after J. Ruber, portrait of Frederick III of Prussia after G.F. Schmidt and 91 COPPER-ENGRAVED FOLDED PLATES. From the library of "Eugène Prouhet et amicorum" (stamp). BEAUTIFUL EXAMPLE IN LACE MARQUIN AND GOLDEN SLABS, a rare condition for such a work.