'Strubin' cemented bi-focal spectacle lens

Oval white 'Strubin' cemented bi-focal spectacle lens first

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Oval white 'Strubin' cemented bi-focal spectacle lens first
Science Museum Group
© The Board of Trustees of the Science Museum

Oval white 'Strubin' cemented bi-focal spectacle lens first made 1891. Known in England as the 'The Dunscombe' Invisible Bi-focal Lens.

Details

Category:
Optics
Object Number:
1921-323/52
Measurements:
overall: 40 x 33 mm
type:
ophthalmic lens
credit:
Dunscombe collection of spectacles