Opisometer patented in France
- maker:
- A W Faber-Castell
Opisometer patented in France, metal casing, stamped FC (A. W. Faber-Castell)
Details
- Category:
- Mathematics
- Object Number:
- 1989-880
- Measurements:
-
overall: 5 x 35 x 85 mm
- type:
- opisometer
- credit:
- Darius, J.