Two pairs pf shadowgraph glasses

Made:
1925-1955 in United Kingdom

Two pairs pf shadowgraph glasses, manufactured by the Freedman Process, by Keith-Albee Circuit, English(?), 1925-1955

Details

Category:
Ophthalmology
Collection:
Sir Henry Wellcome's Museum Collection
Object Number:
A680822
Materials:
lens, plastic and frame, cardboard
type:
shadowgraph glasses