Comptometer, manual operation

Made:
1930-1940 in Chicago
manufacturer:
Felt and Tarrant Manufacturing Company

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Science Museum Group Collection
© The Board of Trustees of the Science Museum

Science Museum Group Collection
© The Board of Trustees of the Science Museum

Science Museum Group Collection
© The Board of Trustees of the Science Museum

Science Museum Group Collection
© The Board of Trustees of the Science Museum

Science Museum Group Collection
© The Board of Trustees of the Science Museum

Comptometer, manual operation, sterling keyboard with 13 digit display, ser. no. 303421, by Felt and Tarrant

Details

Category:
Mathematics
Object Number:
1974-507
Measurements:
Overall: 132 mm x 310 mm x 380 mm, 11.2 kg
type:
calculating machine (full-keyboard, adding)
credit:
Prudential Assurance Company