Details
A BURKHARDT ARITHMOMETER
KEUFEEL & ESSER CO, CIRCA 1900
signed on the brass plate GERMANY BURKHARDT ARITHMOMETER Keuffel & Esser & Co. New York Sole Agents. eight entry setting sliders, nine counters and sixteen windows to register results, two settings for addition & multiplication and subtraction and division, two typed instructions sheets in English in cupboard with chalk, printed instructions in German to inside lid, with two stamps applied advertising a gold medal at the 1900 Paris Exposition Universelle
23 x 7½ x 4in. (59 x 19 x 11cm.)

Provenance:
Marked to lid HYDROGRAPHY U.S.G.S. and to brass engraved H U.S.G.S. 1601

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