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
type:
test types
credit:
Muth, E.P.