154 - Bélidor, (BF de). Hydraulic Architecture. Or: The Art of Directing, Raising, and Advantageously Applying Water to the Various Necessities of Human Life... Translated from French into German. 2 parts (= installments 1-10 and 13-24 of 24) in 4 volumes. Augsburg, Mertz & Klett Widow, 1740-1771. With 6 engraved head vignettes and 203 (instead of 219) mostly folded engraved plates. Folio. 2 contemporary leather bindings and 2 new leather bindings in the contemporary style, each with rich gilt spines (partly somewhat rubbed, some headcaps restored, 1 spine label renewed).

Bélidor, (BF de). Hydraulic Architecture. Or: The Art of Directing, Raising, and Advantageously Applying Water to the Various Necessities of Human Life... Translated from French into German. 2 parts (= installments 1-10 and 13-24 of 24) in 4 volumes. Augsburg, Mertz & Klett Widow, 1740-1771. With 6 engraved head vignettes and 203 (instead of 219) mostly folded engraved plates. Folio. 2 contemporary leather bindings and 2 new leather bindings in the contemporary style, each with rich gilt spines (partly somewhat rubbed, some headcaps restored, 1 spine label renewed). DSB 1, pages 581f.; Jähns 1745; Catalogue of Ornamental Engraving Collection Berlin 3555. - First edition of the most important work on hydraulic engineering and hydraulics in the second half of the 18th century. - Volume 1 on the fundamentals of mechanics, their application to simple machines and hydraulics; Volume 2 on the theory and practice of pumps, suction and pressure works, well construction; Volumes 3/4 on locks, harbor construction, dock structures, canal and river construction, bridges and irrigation and drainage systems, also with chapters on pumping stations, water and windmills, fire engines, dredgers and concrete construction. - Belidor (1697/98-1761) first applies differential and integral calculus for technical purposes in this work, specifically for calculating the outflow velocity from vertical pipes (Matschoss, p. 17). - Parts 11-12 in Volume 1 with 16 plates on horticulture, steam engines and wells are missing, as well as the index and 2 errata sheets. The first two volumes are partly slightly stained - See illustration.