Round blue double convex spectacle lens

Round blue double convex spectacle lens (for correction of

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Round blue double convex spectacle lens (for correction of
Science Museum Group
© The Board of Trustees of the Science Museum

Round blue double convex spectacle lens (for correction of hypermetropia and presbyopia).

Details

Category:
Optics
Object Number:
1921-323/5
Measurements:
overall: 42 mm
type:
ophthalmic lens
credit:
Dunscombe collection of spectacles