Ophthalmic Rule
- Made:
- 1935-1945 in unknown
- maker:
- Unknown
Five-inch wooden rule.
Details
- Category:
- Ophthalmology
- Object Number:
- Y1999.36.4
- Materials:
- wood (unidentified)
- Measurements:
-
overall: 3 mm x 137 mm x 45 mm,
- type:
- ruler
- credit:
- Gift of Mr. G.W. Colebrook
