Folding eyeglasses with oval lenses and adjusting springs
Tortoiseshell folding (?) eyeglasses with oval lenses and adjusting springs. Marked 'NB3'.
Details
- Category:
- Optics
- Object Number:
- 1921-323/275
- Materials:
- tortoiseshell and complete
- Measurements:
-
lenses: 28 mm,
overall (unfolded): 85 mm
- credit:
- Dunscombe collection of spectacles