Pensieri sul Governo de' Fiumi...Discorso diretto all'Accademia d'Agricoltura, Commercio ed Arti di Verona.
by BETTONI, Carlo.
21 fine folding engraved plates. 1 p.l., 8, 312 pp. Large 4to, cont. marbled semi-stiff boards. Brescia: P. Vescovi, 1782. First edition and quite scarce. Count Bettoni (1735-86), spent most of his life developing improved agricultural techniques and applying mechanical inventions to agriculture. This book is devoted to methods of river control to prevent flooding and erosion. The author recommends securing river banks by planting trees, grasses, and other kinds of vegetation (with many of the plates depicting numerous methods of planting in different situations). There is an interesting description (pp. 277-308) of a machine invented by Giuseppe Avanzini to measure fluid resistance with many references to d'Alembert, Ducrest, Bossut, and Condorcet. This section is highly mathematical. The plates are most handsome and several depict rather fascinating water raising machines. Fine copy. ❧ Riccardi, I, 126. . (Inventory #: HillBibl-5374)
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