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BABBAGE, Charles. Table of the logarithms of the natural numbers from 1 to 108000.

[London]. [William Clowes and Sons], 1841. Fourth impression.
8vo. xx, 202pp, [2]. Original publisher's paper boards, contrasting red calf lettering-piece, housed in recent custom buckram clamshell case. Lightly rubbed and discoloured. Marbled endpapers, book-label of Erwin Tomash to FEP.
The fourth edition of English mathematician, philosopher and inventor Charles Babbage's (1791-1871) influential logarithms, produced by comparing various calculated tables and, where necessary, recalculating the correct value – resulting in a higher level of exactitude. The detailed preface also explains, in minute detail, Babbage’s opinions and experimetations with different typesetting, layouts and paper colours. It was from this obsession with logarithmic accuracy that Babbage’s interest in mechanised calculating machines had grown.

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.
Tomash B 57.
£ 375.00 Antiquates Ref: 22389