Round white 'Kryptok' tonc bi-focal spectacle lens
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Round white 'Kryptok' tonc bi-focal spectacle lens, distance and reading fused.
Details
- Category:
- Optics
- Object Number:
- 1921-323/60
- Measurements:
-
overall: 45 mm
- type:
- ophthalmic lens
- credit:
- Dunscombe collection of spectacles
