Beschreibung
8vo. 80 unnumbered ll., A-K8. Roman letter. Woodcut t-p in red and black with Libro written in interlacing ribbons, and figures of Pythagoras, Ptolemy and armillary sphere, woodcut of academic lecture to recto; c.80 half- and full-page woodcut numerical tables or scenes illustrating mathematical problems, all within decorated typographical border, occasionally with putti and architectural structures; decorated initials. Slight age browning in places, little foxing or thumbing to a few lower outer corners, minor repair at gutter of three ll. and to upper outer corner of last four, tiny loss of letters on border. A very good copy in early vellum, remboîtage, bookplate of Erwin Tomash, occasional early annotation. Remarkably good copy of this very scarce edition of a most important treatise on arithmetic. There were few textbooks as influential as this in shaping the subsequent teaching of arithmetic (Smith, Rara , p. 114). The brothers Giovanni Antonio (c.1460-1524) and Girolamo (fl. late C15-early C16) Tagliente were Venetian mathematicians; the former was also a printer known for the production of very successful manuals on calligraphy, embroidery patterns, methods for learning reading and accounting. First published in 1515 and reprinted at least twenty times in the course of the C16, Libro was addressed to Venetians wishing to learn the virtu della Arithmetica and the arte de la Geometria in order to practice the arte de la mercantia . After a discussion of notation and the ancient practice of counting with finger symbols, illustrated with woodcut tables, it proceeds to the four mathematical operations (addition, subtraction, division, multiplication) discussing additionally the proof of seven, fractions and the rule of three. Specific applications to problems are presented in narrative form and illustrated with woodcuts of everyday life situations: e.g., a Jewish moneylender s interest for a given time and a given sum, the differing speed of a boat heading to Cyprus using 40 or 36 oars and gain from the sale of a variety of goods. A second section explains how to use geometry to measure allotments or buildings, whilst the final pages present a conversion table for Venetian ducats in relation to Italian and foreign currencies. A fascinating work illuminating arithmetical education for the Venetian mercantile classes at the commercial apex of the Serenissima. No copies recorded in the US.Brunet I, 1-2, Riccardi I/1, 482-83, Essling III, 299-305, Sander III, 7157, Mortimer, Harvard, II, 489 (c.1520 ed.) and Smith, Rara, 115-16 (1541 ed.). Not in BM STC It. Bestandsnummer des Verkäufers K164
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