Description d'un nouveau Piston, par le moyen duquel les frottemens sont considerablement diminues, & les cuirs rendus d'autant plus durables.
Paris: 1762. Engraved title vignette, and 2 other plates. 9 page extract. 8vo, modern wrappers. (Paris), 1762. Author was the noted French mathematician best known for his work on statistics. He also studied hydraulics. Memoires de Mathematique et de Physique, Tires des Registres de l'Academie Royale des Sciences. More