Photograph by Dorr E. Felt, Constance Felt Using a Comptometer


This photograph shows Dorr E. Felt's daughter Constance as a child, using a Comptometer. The image, taken by Felt, was the basis of a drawing in a 1905 pamphlet on the Comptometer.

Date Made: ca 1905

Maker: Felt, D. E.

Location: Currently not on view

Place Photographed: United States: Illinois, Chicago

Subject: Mathematics


See more items in: Medicine and Science: Mathematics, Adding Machines


Exhibition Location:

Credit Line: Gift of Mary Elizabeth Schmidt

Data Source: National Museum of American History

Id Number: 1994.3060.012Catalog Number: 1994.3060.012Nonaccession Number: 1994.3060

Object Name: photograph

Physical Description: paper (overall material)Measurements: overall: .1 cm x 12 cm x 14.5 cm; 1/32 in x 4 23/32 in x 5 23/32 in


Record Id: nmah_689951

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