Webster Signature Database - Suggest Correction

Signature Maker Instruments Comments Location References
THOMAS, CHARLES XAVIER, CHEVALIER France, 1785-1870, MIM Arithmometers = KEN, Christie 12/21/71, Phillips 11/16/88 (o. 1778). Charles Xavier Thomas de Colmar; invented the Arithmometer, a multiplication machine, c.1820; showed in the Great Exhibition of 1851 in London. Colmar, Alsace; 13 Rue du Helder, Paris. G.L'E. Turner 24; RSW.

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