Section of a Comptometer by Felt & Tarrant showing mechanism

Section of a Comptometer by Felt & Tarrant showing mechanism

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Section of a Comptometer by Felt & Tarrant showing mechanism
Science Museum Group
© The Board of Trustees of the Science Museum

Section of a Comptometer by Felt & Tarrant showing mechanism, in glass case

Details

Category:
Mathematics
Object Number:
1909-200
type:
model (calculating machine)
credit:
Felt & Tarrant Manufacturing Company