Glass triangular prism, from artillery dial gun sight
- Made:
- 1930-1950 in United Kingdom
This image is released under a CC BY-NC-SA 4.0
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Science Museum Group
© The Board of Trustees of the Science Museum
Triangular glass erecting prism (refracting angle 90º), from British No.7 artillery dial gun sight, unsigned, 1930-1930.
Details
- Category:
- Optics
- Object Number:
- 1955-317
- Materials:
- glass
- Measurements:
-
overall: 23 mm x 25 mm x 23 mm, Wt. 0.018kg
- type:
- erecting prism and component - object
- credit:
- Banfield, Arthur Clive
