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.