Aluminium(?) halfmoon testing frame, single drop c

Aluminium(?) halfmoon testing frame, single drop c

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Science Museum Group
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Aluminium(?) halfmoon testing frame, single drop cells with eye shutters, English(?), 1900-1940

Details

Category:
Ophthalmology
Collection:
Sir Henry Wellcome's Museum Collection
Object Number:
A680917
Materials:
aluminium, ? material
Measurements:
shuttles and ear pieces closed: length 185 mm
height 40 mm
type:
trial frames