(BERNOULLI, DANIEL). - THE MATHEMATICS OF HOURGLASSES.

Discours sur la Maniere la plus parfaite de conserver sur mer l'égalité du mouvement des Clepsidres ou Sabliers. (Piece qui remporté le Prix de L'Academie Royale des Sciences. Proposé pour l'année mil sept cens vingt-conq...).

Paris, Claude Jombert, 1725. 4to. Fine recent marbled boards. Printed titlelabel on frontcover. 21,(3) pp. and 1 double-page folded engraved plate.

First edition of his prize-winning paper dealing with the mathematics and the construction of hourglasses made of water and sand, all problems dealing with hydrodynamics, Daniel Bernoulli's main subject of research, - his famous "Hydrodynamica" was completed in 1734. - Poggendorff I:161.

Order-nr.: 42458