D'OCAGNE, Le Calcul Simplifié par les Procédés Mécaniques et Graphiques, 1894

Paris, Gauthier-Villars, 1894.

8vo (226x144 mm), (4)-118 pages and 2 folding plates.  binding : Original printed wrappers. Spine a little chipped. 

references: Norman [History of information : "This contained the first systematic classification of calculating machines"], Origins of cyberspace [346 (2nd ed.) : "Ocagne's book, first published in 1894, presented the first systématic classification of calculating machines, including slide rules, nomograms, difference engines, integrators, adding machines, etc. ... Ocagne paid particular attention to the machines of Pascal, Leibnitz, Babbage, Scheutz, Burroughs, Felt, Müller, Thomas, Bollée, Odhner, Maurel, and Selling."], Erwin Tomash Library on the history of computing [O 15].

Reserved