Lot n° 50

[Galileian, Math] - CAVALIERI, Bonaventura. Trigonometria Plana, et Sphaerica, Linearis, & Logarithmica. Bologna, Erede Vittorio Benatti, 1643.

Estimation : Start Price 800 € /
Description
4to, mm. 220x160; Contemporary full vellum binding; Illustrated Frontespiece, pp. 16, 71, 1b., 104, 1 plate engr. in copper out text depicting geometric figures. Among the 104 pp. Not numbered, the logaritmic tables. .

ORIGINAL FIRST EDITION. In this text, the pupil of Galileo defends his method of indivisibles and explains the logarithmic form methodologically clearer and more systematic, illustrating its applications in the plane and spherical trigonometry. Loria: "The Cavalieri did before and more than any other contributed to the spread in Italy of the theory and practice of logarithms, of which he considered particularly applications to trigonometry ... His most important contribution to the knowledge of the sphere is represented by the discovery and its demonstration of the expression of the area of a spherical triangle ... "the beautiful frontispiece allegorical, depicting the various tools Trigonometry with the foot and sides of geometric figures, and engraved copper Andrea Salmincio, signing with his monogram.

Loria, St. Mathematics, pp. 422-3; Riccardi, I, 328; Zeitlinger, n. 6780.

Condition Report: Fresh specimen. Il lotto viene venduto provvisto di licenza d'esportazione.THE LOT IS OFFERED WITH A VALID EXPORT LICENCE
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