Wedge-shaped glass prism, one of two, with a neutral density tint increasing towards the thicker end, unsigned, European, 1930-1950.
Details
- Category:
- Optics
- Object Number:
- 1955-337/1
- Materials:
- glass
- Measurements:
-
overall: 3 mm x 45 mm x 15 mm, Wt. 0.003kg
- type:
- prism - optical and component - object
