LES MACHINES À CALCULER ET LA PENSÉE HUMAINE, PARIS, 8-13 JANVIER 1951

8vo, photographs, original printed wrappers, preserved in cloth folding box, erratum leaf inserted, slight browning, wrappers slightly creased and torn

bought from Bernard Quaritch, London, 1985

Tomash & Williams C55; Origins of Cyberspace 527

Condition is described in the main body of the cataloguing, when 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.
NOTWITHSTANDING THIS REPORT OR ANY DISCUSSIONS CONCERNING A LOT, ALL LOTS ARE OFFERED AND SOLD AS IS" IN ACCORDANCE WITH THE CONDITIONS OF BUSINESS PRINTED IN THE SALE CATALOGUE."

The proceedings of a very early computer calculating machine conference held in Paris on 8-13 January 1951, describing many of the early machines (both analog and digital) such as Howard Aiken's Mark IV, the Manchester Mark I, the Swedish BARK digital computer and those produced by Leonardo Torres y Quevedo. The conference attracted 268 participants from Europe and North America.