Canadian spectacles with single piece side-arms
Canadian metal spectacles with single piece side-arms and oblong prism lenses marked '6[degrees]'.
Details
- Category:
- Optics
- Object Number:
- 1921-323/230
- Measurements:
-
lenses: 40 mm x 28 mm
overall (folded): 127 mm
- type:
- spectacles
- credit:
- Dunscombe collection of spectacles