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Title: "Thomas de Colmar" arithmometer capacity 10 x 11 x 20 engrav [Go to resource]
Description: "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) License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: calculating machine (stepped drum) Temporal: 1876-1880 Source: Science Museum Identifier: 1933-514 Go to resource More Like this...
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