TORRES Y QUEVEDO, L, 4 WORKS BY OR ABOUT HIM, 1902-1922

i. "Machines à calculer", in Mémoires presentés par divers savants à l'Academie des Sciences de I'Institut National de France, vol. 32, no. 9, [1902], 4to, five engraved plates, later marbled boards, (bought from Thomas-Scheler, 1987), [T&W T47]ii. Ocagne, Philibert Maurice d’ (1862-1938). ["Comments on Vue d'ensemble sure les machines à calculer"], in Comptes Rendus [...] de L'academie des Sciences, vol. 174, no. 21, May 1922, 4to, disbound, (Weinreb Collection, Bloomsbury Auctions, 28 October 1999, lot 84, Erwin Tomash), [T&W O6]iii. Vigernon, Henri. Les Automates, in La Nature, no. 2142, 13 June 1914, folio, original printed wrappers, (bought from Yelm Books, 1999), [T&W V14; Origins of Cyberspace 386; Randell 1979 p.170]iv. Vigernon, Henri. L'arithmomètre de M. Torrès y Quevedo, in La Nature, no. 2418, 7 August 1920, folio, original printed wrappers, [T&W V15; Origins of Cyberspace 387; Randell 1979 p.170]

Condition is described in the main body of the catalogue, where appropriate.
"In response to your inquiry, we are pleased to provide you with a general report of the condition of the property described above. Since we are not professional conservators or restorers, we urge you to consult with a restorer or conservator of your choice who will be better able to provide a detailed, professional report. Prospective buyers should inspect each lot to satisfy themselves as to condition and must understand that any statement made by Sotheby's is merely a subjective, qualified opinion. Prospective buyers should also refer to any Important Notices regarding this sale, which are printed in the Sale Catalogue.
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This lot includes three papers reporting on automata and calculating machines invented by Torres y Quevedo.