Miniature folding opera glass (Galilean type)
Miniature folding opera glass (Galilean type), with fob ring, silver framework with blue steel screws, by Dollond, London, England, 1800-1850
- Measurements:
-
overall (closed): 17 mm x 42 mm x 35 mm,
overall (weight): .0217kg
- Materials:
- silver (metal) , glass and blued steel
- Object Number:
- 1938-743/1
- type:
- opera glass , telescope - galilean and telescope - refracting
- Image ©
- The Board of Trustees of the Science Museum