‎GIBSON (William), STERLING (Bruce)‎
‎La machine à différences‎

‎Paris, Robert Laffont, 2010 13.5x21.5cm, 461pp Etat neuf car service de presse‎

Reference : 43710


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€13.90 (€13.90 )
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3 book(s) with the same title

‎"BABBAGE, CHARLES.‎

Reference : 44733

(1855)

‎MÉCANIQUE APPLIQUÉE. Note sur la machine suédoise de MM. Schutz pour calculer les Tables mathématique par la méthode des différences, et en imprimer les résultats sur des planches stéréotypes. - [BABBAGE'S REPORT ON THE SCHEUTZ-ENGINE]‎

‎Paris, Mallet-Bachelier, 1855. 4to. Extract, bound in new full blue cloth with gilt lettering to spine. A bit of brownspotting, otherwise a fine. [Babbage:] Pp. 557-560. [Entire issue: (3), 538-63 pp.].‎


‎Scarce first publication of Babbage's early report on the difference engine, which had been built by the Swedish printer Georg Scheutz and his son Edvard, based upon Babbage's own designs. ""In 1854 Babbage's ideas came to the attention of George and Edvard Scheutz, a father and son from Sweden. After reading a description of the Difference Engine (by Babbage), they designed and built their own version. This machine was smaller and lighter than the engine conceived by Babbage. They used gears and levers that would have been suitable for the mechanism of a clock. In contrast, Babbage used technology that would have been appropriate for a steam engine. Babbage's engine, if completed, would have filled a room. The Scheutz engine sat nicely on a table and looked like a complicated music box. Babbage was pleased with Scheutz's engine and praised it publicly [In the present paper]. (DSB).""Georg Scheutz's interest in calculating machines had begun twenty-five years earlier, when he first heard about Babbage's Difference Engine no. 1. In 1834, after reading Dionysius Lardner's technical article about the Difference Engine, Scheutz and his son began building their own engine, completing a crude prototype model in 1843 (Scheutz Engine no. 1) and an improved and more highly finished example in the 1850s (Schultz Engine no. 2.). As part of his effort to promote the Scheutz Engine, Babbage gave a talk on it before the Académie des Sciences, illustrated with drawings by his son Henry, in which Babbage's system of mechanical notation was used to describe the machine's construction and functions. This talk was published without illustrations in the Académie's Comptes rendus [the present paper]. (OOC).See Hook & Norman. Origins of Cyberspace 73.‎

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Phone number : +45 33 155 335

DKK6,500.00 (€871.79 )

‎"BABBAGE, CHARLES. - THE DIFFERENCE MACHINE OF SCHEUTZ, MATHEMATICALLY DESCRIBED.‎

Reference : 48992

(1855)

‎Note sur la machine suédoise de MM. Schutz (!) pour calculer les Tables mathématiques par la méthode des différences, et en imprimer les résultats sur des planches stéréotypes.‎

‎(Paris, Mallet-Bachelier), 1855. 4to. No wrappers. In: ""Comptes Rendus Hebdomadaires des Séances de L'Academie des Sciences"", Tome 41, No 15. Pp. (537-) 563. (Entire issue offered). Babbage's paper: pp. 557-560. Some faint, mostly marginal brownspots.‎


‎First printing of this importent paper being babbage's report on the Scheutz differnce calculator, explaining its functions by way of his own notations.""Babbage's report on the differnce engine built by the Swedish printer Georg Scheuts (1785-1873) and his son Edvard (1821-81), based on Babbage's own designs.... In 1854 the Scheutzes took their engine no. 2 to England in the hopes of marketing it. There they were introduced to Babbage, who received them with great friendliness and showed a lively interest in their work. Babbage devoted two whole days to investigating Scheutz' engine for which he had much praise, especially for the way they had succeeded in building it with the funds at their disposals.... As part of his effort to promote the Scheutz Engine, Babbage gave a talk on it before the Academie des Sciences, illustrated with drawings by his son henry, in which Babbage's system of mechanical notation was used to describe the machines construction and functions. This talk was published (the paper offered) without illustrations in the Academie 'Comptes rendus'. ((Hook & Norman ""Origins of Cyberspace"", No. 73).‎

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Phone number : +45 33 155 335

DKK3,500.00 (€469.43 )

‎Collectif - président : Pierre BARBERIS‎

Reference : 13562

‎ROMANTISME - Revue du dix-neuvieme siecle - Revue de la Societe des Etudes romantiques -Likttératures - Arts - Sciences - Histoire (Chaque Numéro traite d'un sujet particulier)SUJETS : L'impossible unité - voix de femmes - Le voage - théorie des harmonies - Ecriture & désir - Le Peuple - Au-delà du visible - Mythes & représentation de la Femme - Le bougeois - Le (s) Positivisme (s) - Aspects d'une modernité - Ecriture et folie - Conscience de la langue - Déviances - Nature et société - Sangs - Philosophies - Fabre, Fourier, Flaubert - Différences - Le spectacle romantique - Poésie & Société - L'Argent - La machine -fin-de-siècle - La décadence - Le livre et ses images -Le livre & ses Mythes - Paradoxes - L'Energie‎

‎ Paris Flammarion, puis CDU-SEDES - In-8 - Broché - couverture souple - De 100 à 140 pages environ par numéro, sauf Numéro double - L'ensemble très propre 1/2 de 1971,3, 4, 5, 8, 9, 13/14, 17/18, 21/22, 23, 24, 25/26, 27, 30, 31, 32, 33, 34, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46 de 1984 - SOIT 30 numéros dont 5 doubles‎


‎Peut être vendu au Numéro : 15 les simples, 25 les doubles - ATTENTION: Colis recommandé uniquement sur demande (parcel recommended on request). Si vous désirez un remboursement équivalent au montant de votre achat, en cas de perte détérioration ou spoliation, demandez-nous expressément un envoi en recommandé ( if you wish a repayment equivalent to the amount of your purchase, in case of loss - deterioration or despoliation, ask us expressly for a sending recommended)- Conditions de vente : Les frais de port sont affichés à titre Indicatifs (pour un livre) Nous pouvons être amené à vous contacter pour vous signaler le prix du supplément de port en fonction du poids et du nombre de livres- Conditions of sale : The shipping costs are displayed as an indication (for one book) We may need to contact you to inform you of the cost of the additional shipping depending on the weight and the number of books- Possibilité d'envoi par Mondial-Relay - Réception en boutique sur rendez-vous. Librairie G. PORCHEROT - SP.Rance - 0681233148 ‎

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