Folding single opera glass with case
Folding single opera glass (monocular), tortoiseshell frame and mount with black leather, unsigned, European, 1830-1870.
- Materials:
- tortoiseshell , brass (copper, zinc alloy) , nickel plated and glass
- Object Number:
- 1918-136/1
- type:
- opera glass , telescope - galilean and telescope - refracting
- Image ©
- The Board of Trustees of the Science Museum