Two diam
Two diam, virtual image telescope (aero machine gun sight) German by orgel, Berlin ( damaged)
Details
- Category:
- Optics
- Object Number:
- 1925-438
- type:
- telescope - refracting
- credit:
- Banfield, Arthur Clive
Two diam, virtual image telescope (aero machine gun sight) German by orgel, Berlin ( damaged)