Oval smoke or neutral tint bent glass spectacle lens

Oval smoke or neutral tint bent glass spectacle lens

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Oval smoke or neutral tint bent glass spectacle lens
Science Museum Group
© The Board of Trustees of the Science Museum

Oval smoke or neutral tint bent glass spectacle lens, for electric light.

Details

Category:
Optics
Object Number:
1921-323/81
Measurements:
overall: 46 x 37 mm
type:
ophthalmic lens
credit:
Dunscombe collection of spectacles