Test type in black plastic wallet, by American Opt

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:
test types, paper and wallet, plastic
type:
test types ophthalmology and ophthalmology and test types
credit:
Muth, E.P.