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OZANAM, [Jacques]. Tabulae sinuum tangentium et secantium Ad 10000000 partium Radium...

Amstelodami [i.e. Amsterdam]. Georgium Gallet, 1697. Second edition.
8vo. [286]pp. Two parts in one, second part title in French. Eighteenth century sheep-backed, vellum-tipped, marbled boards, contrasting red morocco lettering-piece, gilt. Extremities worn, several worm-holes to spine, loss to head. Endpapers foxed, leaves browned, book-label of Erwin Tomash to FEP.
Jacques Ozanam (1640-1717) French mathematician. Of a Catholic family with Jewish descent, Ozanam discarded theological study on the death of his father and began offering private instruction in mathematics, a subject in which he was apparently self-taught.

These mathematical tables would appear to be unacknowledged copies of those produced by Dutch publisher Adriaan Vlacq (1600-1667).

From the recently dispersed library of Erwin Tomash (1921-2012), American engineer recognised for his early pioneering work with computer equipment peripherals. His library consisted of over 3,000 books and manuscripts relevant to the history of computation, from medieval and renaissance works on arithmetic, finger-reckoning and the abacus, to the birth in the twentieth century of theoretical and practical computer science under Alan Turing.
£ 325.00 Antiquates Ref: 23886