Hand made Sundstrand adding machine

Made:
1912-1914 in Rockford
One of the original hand made Sundstrand adding machines

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One of the original hand made Sundstrand adding machines
Science Museum Group
© The Board of Trustees of the Science Museum

One of the original hand made Sundstrand adding machines, constructed by Oscar Sundstrand, the inventor, about 1913 [patent model]

Details

Category:
Mathematics
Object Number:
1928-105
type:
calculating machine (printing)
credit:
Sundstrand Adding Machines Ltd.

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