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
- Measurements:
-
lens: diameter 33 mm
rectangular card frame: length 140 mm
frame: height 54 mm
thickness 1 mm
- type:
- shadowgraph glasses
