Bi-focal spectacle lens
- Made:
- 1900
Oval white 'Sutcliffe' solid down curve bi-focal spectacle lens Patent No. 6263, AD 1900.
Details
- Category:
- Optics
- Object Number:
- 1921-323/49
- Measurements:
-
overall: 40 x 38 mm
- type:
- ophthalmic lens
- credit:
- Dunscombe collection of spectacles