Test type in black plastic wallet
- Made:
- 1942-1960 in United States
- maker:
- American Optical Company
Test type in black plastic wallet, by American Optical Corporation, USA, 1942-1960
Details
- Category:
- Ophthalmology
- Object Number:
- 1988-380
- Materials:
- wallet, plastic and test types, paper
- Measurements:
-
closed: length 214 mm
closed: width 146 mm
- type:
- test types
- credit:
- Muth, E.P.
