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ERWIN TOMASH'S COPY

[LOHSE, Wilhelm Oswald]. Lohse tafeln fur numerisches rechmen mit maschinen.

Leipzig. Wilhelm Engelmann, 1935. First edition.
8vo. [6], 114pp. Original publisher's cloth boards. Lightly rubbed, spine sunned. Book-label of Erwin Tomash to FEP.
The first edition of a set of tables, produced by German mathematician Wilhelm Oswald Lohse (1845-1915), specifically designed for use with mechanical calculating machines, containing standard trigonometric functions reciprocals, roots and conversion tables from minutes to grads.

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 L 127.
£ 75.00 Antiquates Ref: 24015