Circular vulcanite case containing mirror and conv

Made:
1870-1930

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Circular vulcanite case containing mirror and convex lens, both with covering flaps, English(?), 1870-1930

Details

Category:
Ophthalmology
Object Number:
A680684
Materials:
brass, glass and vulcanite
type:
retinoscopes and retinoscopes and ophthalmology (diagnosis, general)