Glass encased sectional model of Comptometer

Made:
1927-1928 in Chicago
manufacturer:
Felt and Tarrant Manufacturing Company

Glass encased sectional model of Comptometer by Felt & Tarrant, Chicago, USA, controlled key duplex model J

Details

Category:
Mathematics
Object Number:
1928-309
type:
model (calculating machine)
credit:
Felt and Tarrant Manufacturing Company
status:
Permanent collection

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