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Les Machines à calculer, leurs principes, leur: COUFFIGNAL (Louis).

COUFFIGNAL (Louis).

Published by Gauthier-Villars (1933)

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Softcover
First Edition

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About this Item: Gauthier-Villars, 1933. Couverture souple. Condition: Bon. Edition originale. COUFFIGNAL (Louis). Les Machines à calculer, leurs principes, leur évolution, Paris, Gauthier-Villars, 1933. Broché, 86 pp. Louis Pierre Couffignal (1902 1966) est un mathématicien et cybernéticien à qui le Cnrs donna pour mission en 1942 de créer le premier ordinateur français. Edition originale peu commune, timbres institutionnels, bon état général. 24 illustrations en photogravures montrent les premières calculatrices automates ou synchronisées. Couffignal prédit l importance de la mécanisation des calculs dans l avenir et invite à se pencher sur le problème de l algorithme avant celui de la construction de la machine elle-même. Défauts mineurs, bon état général. ~~~~ ENGLISH ~~~~ Louis Pierre Couffignal (1902-1966) is a mathematician and cybernetics to whom the CNRS gave mission, in 1942, to create the first French computer. First hard-to-find edition, institutional stamps, good condition. 24 photogravures illustrate the first synchronized controllers and calculators. Couffignal predicted the importance of mechanized calculations in the future and invited to address the problem of the algorithm before the construction of the machine itself. Minor defects, good condition. Seller Inventory # ABE-13657976306

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Couffignal]

Published by CNRS, (1953)

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Softcover

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About this Item: CNRS, 1953. Paperback. Condition: ANCIEN. in-8 de XIX-570 p., figures in-t. et h-t., EO, br. [mathématiques - philosophie], Seller Inventory # A15615-953

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COUFFIGNAL, LOUIS & MAURICE DE D'OCAGNE - A COMPUTER PRECURSER.

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Softcover

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From: Lynge & Søn ILAB-ABF (Copenhagen, Denmark)

Seller Rating: 5-star rating

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About this Item: (Paris, Gauthier-Villars et Cie), 1930. 4to. Without wrappers. In: "Comptes Rendus Hebdomadaires des Séances de L'Academie des Sciences", Tome 191, No 20. Pp. (893-) 972. (Entire issue offered). Couffignal's paper: pp. 924-25. D'Ocagne's note: pp. 925-926. First apperance of Couffignal's earliest paper on his own invention of a calculating machine which could perform the four basic arithmetical operations and permit the linking of sequences of those operations. The paper is followed by a note by d'Ocagne who istalled Couffignol with his own passion for classifying calculating machines. (Hook & Norman "Origins of Cyberspace", No. 280). Seller Inventory # 48989

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