BABBAGE, SCHEUTZ DIFFERENCE ENGINES, FIVE VOLUMES

i. Babbage, Charles. "Note sur la machine suédoise de MM. Schutz pour calculer les tables mathématiques…" [in:] Comptes rendus hebdomadaires des séances de l’académie des sciences…, vol. 41, no 15, pp.557-60. Paris: Mallet-Bachelier, 1855, 4to, original wrappers, (Weinreb Collection, Bloomsbury, 28 October 1999, lot 30, Erwin Tomash), [T&W B30; Archibald, Scheutz, no. 4; Origins of Cyberspace 73; Randell 1979 p.108; Van Sinderen 70], some damp-staining, frayed at spineii. Babbage, Charles. Observations addressed… to the president and fellows of the Royal Society. London: Murray, 1856, 8vo, original wrappers, (bought from Bernard Quaritch, London, 1993), [T&W B43; Archibald, Scheutz, no. 9; Van Sinderen 73], some soiling and creasesiii. [Manby, Charles (1804-1884)]. "Scheutz difference engine, and Babbage’s mechanical notation" [in:] Minutes of Proceedings of the Institution of civil engineers…, vol. 15, pp. 497-514. London, 1856, 8vo, folding plates, contemporary half morocco, (Robert Gillham (1855-1899); Drury College (Springfield, MO), bookplate; bought from Yelm Books, Whitestone, NY, 1999), [T&W B71; Archibald, Scheutz, no. 8; Origins of Cyberspace 75], front free endpaper loose, library marksiv. Chasles, Michel. "Observations adressées a la société royale de Londres…" [in:] Compte rendu des séances de l’académie des sciences, vol. 42, no. 17, pp.798-799. Paris: 1865, 4to, disbound, (bought from Morgan, 1990), [T&W C71], some soiling (2 copies)

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Per Georg Scheutz (1785-1873) invented a calculation engine in 1837 (finalised in 1843). The engine was based on Babbage’s difference engine.