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2020-09-15 13:26:02
FABRI, Ottavio
L'uso della squadra mobile
Venice, appresso Francesco Bariletti, 1598. FIRST EDITION. 4to. pp. (ii) 58 (vi), without the squadra mobile plate as usual. Italic letter, with Roman. Engraved architectural t-p with female allegorical figures, putti and globe, 25 half-page engraved illustrations, decorated initials, head- and tailpieces. Little thumbing or minor marginal spotting in a few places, one plate superimposed presumably by way of correction. An excellent wide-margined copy, on thick paper, in old carta rustica, recased, bookplate of Erwin Tomash to front pastedown, the odd contemporary marginalia. In modern folding box. An excellent copy of the first edition of this important work on the application of triangulation. Ottavio Fabri (fl. late C16-early C17) was an Italian mathematician of whom little is known. His greatest contribution to the discipline, immortalized in this work, was the invention of the squadra mobile , a brass geometrical instrument to measure, level and transfer onto paper every distance, height and depth , with applications in astronomy, geometry and the measuring of terrain. The edition was printed in two issues with differing preliminaries, though no priority has been established. The first section is devoted to measurements and includes comparisons between units used in different cities (the Braccio toscano in Florence, the Tornadure in Cervia) or countries ( Piedi in France and the Trevigian Pertica in Cologne). He proceeds to explain the construction of the instrument; this part was illustrated by an engraved plate portraying the squadra mobile , absent in most copies. T … [Cliquez ci-dessous pour une description complète]
Vendeur: Sokol Books Ltd. ABA ILAB [London, United Kingdom]
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