Thomas de Colmar arithmometer

Made:: 1876-1880 in Paris

maker:: Charles Xavier Thomas

Thomas de Colmar arithmometer, capacity 10 x 11 x 20

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Thomas de Colmar arithmometer, capacity 10 x 11 x 20
Science Museum Group
© The Board of Trustees of the Science Museum

Thomas de Colmar arithmometer, capacity 10 x 11 x 20, engraved:- "Thomas de Colmar, a Paris, inventeur, no.1273" incomplete (accepted to show details of construction)

Details

Category:: Mathematics

Object Number:: 1933-514

type:: calculating machine (stepped drum)

credit:: Muldivo Calculating Machine Company Limited

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Thomas de Colmar arithmometer

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