'Sprenger' type glass erecting prism, unsigned, European, 1920-1950.
Details
- Category:
- Optics
- Object Number:
- 1955-325
- Measurements:
-
overall: 30 mm x 77 mm x 19 mm, Wt. 0.045kg
- type:
- sprenger prism and component - object
- credit:
- Banfield, Arthur Clive