Paris, Firmin Didot, 1790-96. Large 4to. 2 contemp. hcalf. Gilt spines. Titlelabes with gilt lettering. Wear to top of spines. A paperlabel pasted on spines. stamps on title-pages. XII,621,(3),71(tables)(2),203,(1) pp., 53 large folded engraved plates (numb. 1-52, no. 42 omitted (lacks ?), 16 + 47 bis). Occassional light browning to margins.
First edition of Prony's famous lectures on hydraulics, where volume two deals with the construction of steam-engines. At the time of publication he was inspector at the École des Ponts et Chaussés.
Frankfurth am Main, Andräischen Buchhandlung, 1795. 4to. Contemp. hcalf. Gilt spine, titlelabel with gilt lettering. A paperlabel pasted on upper part of spine. Stamps on title-page. (10),652,72 pp. and 15 fine large folded engraved plates. Internally clean and fine.
First German edition. A second volume was published 1801.