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4to. [8], 136p. 4 sheets of mathematical problems and 3 sheets of geometrical drawings tipped in. Contemporary vellum, with two ties; sprinkled red-edged leaves. Cancelled heraldic library stamp (Italian) on verso of title-page (with accession number in biro) - the same stamp appears in the margin of page 53. Late 17th/early 18th-century presentation inscription on title-page to an Orvieto College from Antonius Saracinellus (Antonio Saracinello). *** A work on trigonometry by one of Spain s foremost mathematicians and astronomers of the 17th century. Born in Alcalá de Chibert in 1627, Zaragoza turned down at an early age the Chair of Mathematics in Valencia and in 1651 entered the Jesuit Order. However, his devotion to mathematics remained undiminished and by his death in 1679 he had published nine works on mathematics and astronomy including his Arithmetica universal of 1669 (his first published work), Esphera en comun celeste y terraquea of 1675, and Fábrica y uso de varios instrumentos mathematicos con que sirvio al Rey N.S. D. Carlos Segundo, also published in 1675 - the year in which Zaragoza was appointed preceptor in mathematics to the Spanish king. Many more writings survive in manuscript, including Zaragoza s observations on the comet visible at Arganda near Madrid in 1677 (communicated in abbreviated form to the Journal des Savants of the same year). See Armando Cotarelo Valledor, El P. José de Zaragoza y la astronomía de su tiempo, in Asociación Nacional de Historiadores de la Ciencia española, Êstudios sobre la ciencia española del siglo XVII (Madrid, 1935), pp.65-223. BOUND WITH (item2): ZARAGOZA, José, Canon trigonometricus. Continens logarithmos, sinuum, et tangentium, ad singula scrupula totius semicirculi. Radii logarithmo 10.0000000. Matriti: apud Bernardum à Villa-Diego, 1672. 4to. [48]p. BOUND WITH (item 3): ZARAGOZA, José, Tabula logarithmica continens undecim numerorum chiliades, cum suis logarithmis ab unitate, scilicet, ad 11100. Dispositis nova methodo, et proportioni astronomicae applicatis in gratiam astronomorum. Matriti: apud Bernardum à Villa-Diego, 1672. 4to. [40]p. *** REFERENCES: Item 1: Iberian Books, IB132514; Palau 379545; De Backer-Sommervogel vol. 8, col. 1466, no. 5. Item 2: Iberian Books, IB132510; Palau 379542; De Backer-Sommervogel vol. 8, col. 1466, no. 3. Item 3: Iberian Books, IB132512; Palau 379543; De Backer-Sommervogel vol. 8, col. 1466, no. 4. Seller Inventory # 8/100
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