Precisa calculating machine model 117

Made:
1955-1965 in Switzerland
Precisa calculating machine model 117

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Precisa calculating machine model 117
Science Museum Group
© The Board of Trustees of the Science Museum

Precisa calculating machine model 117

Details

Category:
Mathematics
Object Number:
1980-96
type:
calculating machine (pinwheel)
credit:
Mr W.S. Narracott