LEIBNITZ, Gottfried Wilhelm, and Johann BERNOULLI.

Commercium Philosophicum et Mathematicum. Tomus primus, ab anno 1694 ad annum 1699 [–Tomus secundus, ab anno 1700. ad annum 1716].

Lausannæ & Genevæ: Sumpt. Marci-Michaelis Bousquet & Socior. .1745

2 volumes, 4to, pp. (iv), xxviii, 484, engraved frontispiece portrait of Leibnitz and 15 folding engraved plates; 1 leaf, pp, 492, 8 plates. Titles printed in red and black with engraved vignettes, foot of portrait folded in. Plates IX–XII misbound in vol. 2, a few gatherings in vol. 2 lightly browned, some small ink stains on p. 131 of vol. 2. Original Dutch speckled boards and red sheep spines, uncut. Edges of boards a little rubbed, spines a little rubbed and with minor wear to head of vol. 1, otherwise a nice set.

FIRST EDITION. “Important for containing the evidence, as embodied in the correspondence between Leibnitz and Jean Bernoulli, on the question of the rival claims to priority in the invention of the calculus, between Newton and Leibnitz. It was the only serious claim published in Leibnitz’s favor, and was a tardy answer to the Commercium Epistolicum, which gave the evidence in Newton’s favor” (Babson 196). Wallis 259. Gray 259. Ravier, Bibliographie…de Leibniz, 427. This copy has the portrait of Leibnitz, which is found only in a minority of copies.


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