Mechanical counter

Made:
1891-1900 in Bristol
Mechanical counter, Elm City Counter'

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License

Mechanical counter, Elm City Counter'
Science Museum Group
© The Board of Trustees of the Science Museum

Mechanical counter, "Elm City Counter", patented 1891 and made by The C.J. Root Co., Bristol, Connecticut, U.S.A.

Details

Category:
Mathematics
Object Number:
1990-710
type:
adding machine
credit:
Auction Team Koln

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