Cylindrical constant deviation glass prism, unsigned, European, 1930-1950
Details
- Category:
- Optics
- Object Number:
- 1955-319
- Materials:
- glass
- Measurements:
-
overall: he.15 mm x dia. 30 mm, Wt. 0.027kg
- type:
- constant deviation prism and component - object
- credit:
- Banfield, Arthur Clive