XIMENES, Leonardo (1716-1786). Piano di operazioni idrauliche per ottenere la massima depressione Of the lake of Sesto or be it of Bientina. Lucca: Bonsignori, 1782. First edition of this treatise on hydraulic engineering in which Leonardo Ximenes, Ruggiero Giuseppe Boscovich, and Eustachio Zanotti propose restorative operations for Lake Bientina, at the time the largest of the Tuscan lakes. 4to, (273 x 205 mm). 5 folding plates outside the text, engraved plate title-page (some foxing). Contemporary carta rustica binding, printed spine label, speckled edges (some wear). (1)

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