Details

BENEDETTI, Giovanni Battista (1530-1590).

2

Second edition. "The arithmetic is a scientific consideration of various matters of theory... As a specimen of graphic arithmetic, combining the Euclidean theory with the Renaissance practice, Benedetti's book is worthy of more attention than it has received, it may be inferred from some of his statements that, although purely a theorist himself, he recognized the obsolete nature of much that the practical arithmetics had to offer" (Smith). Benedetti's work on Euclid gave to Mascheroni the first idea of his geometry of the compass. The first edition was published in Turin in 1580; all editions of Benedetti's

*Diversarum speculationum mathematicarum & physicarum liber quarum seriem sequens pagina indicabit*. Turin: Heirs of Nicolo Bevilaqua, 1585.2

^{o}(292 x 202 mm). Woodcut printer's device on title, numerous woodcuts in text, including an unassembled volvelle on Ee4. Late 18th-century stiff vellum, morocco lettering-pieces (a bit soiled).Second edition. "The arithmetic is a scientific consideration of various matters of theory... As a specimen of graphic arithmetic, combining the Euclidean theory with the Renaissance practice, Benedetti's book is worthy of more attention than it has received, it may be inferred from some of his statements that, although purely a theorist himself, he recognized the obsolete nature of much that the practical arithmetics had to offer" (Smith). Benedetti's work on Euclid gave to Mascheroni the first idea of his geometry of the compass. The first edition was published in Turin in 1580; all editions of Benedetti's

*Diversarum*are scarce, with none appearing in ABPC in at least thirty years. Adams B-655; Smith*Rara Arithmetica*, pp.364-365