Smoke plano-cylinder concave spectacle lens

Smoke plano-cylinder concave spectacle lens (for the correction

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Smoke plano-cylinder concave spectacle lens (for the correction
Science Museum Group
© The Board of Trustees of the Science Museum

Smoke plano-cylinder concave spectacle lens (for the correction of astigmatism)

Details

Category:
Optics
Object Number:
1921-323/42
Measurements:
overall: 45 x 43 mm
type:
ophthalmic lens
credit:
Dunscombe collection of spectacles