'Strubin' cemented bi-focal spectacle lens
- Made:
- 1891
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LicenseOval white 'Strubin' cemented bi-focal spectacle lens first
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© 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
