Square 'Kryptok' fused slab and segment
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Science Museum Group
© The Board of Trustees of the Science Museum
Square 'Kryptok' fused slab and segment, medium 'Chlorophylle' tint with ground edges, stage in making bi-focal spectacle lens.
Details
- Category:
- Optics
- Object Number:
- 1921-323/67
- Measurements:
-
overall: 48 x 48 mm
- type:
- ophthalmic lens
- credit:
- Dunscombe collection of spectacles
