Opisometer patented in France

Made:
1920-1950 in Germany
maker:
A W Faber-Castell
Opisometer patented in France, metal casing, stamped FC (A. W

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Opisometer patented in France, metal casing, stamped FC (A. W
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© The Board of Trustees of the Science Museum

Opisometer patented in France, metal casing, stamped FC (A. W. Faber-Castell)

Details

Category:
Mathematics
Object Number:
1989-880
Materials:
steel, brass and paper
Measurements:
overall: 5 x 35 x 85 mm
type:
opisometer
credit:
Darius, J.