Oval white 'new system' deep plano-concave lens.
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Science Museum Group
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Oval white 'new system' deep plano-concave lens.
Details
- Category:
- Optics
- Object Number:
- 1921-323/19
- Measurements:
-
overall: 45 x 33 mm
- type:
- ophthalmic lens
- credit:
- Dunscombe collection of spectacles
