White metal trial frames

White metal trial frames

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Science Museum Group
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White metal trial frames, partially hinged to allow lens insertion [....] cells, English, 1900-1940

Details

Category:
Ophthalmology
Collection:
Sir Henry Wellcome's Museum Collection
Object Number:
A680915
Materials:
metal, white
Measurements:
hinges of eyepieces fully extended: height 51 mm
folded: length 148 mm
type:
trial frames