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LicensePair of miniature prismatic binoculars, 5x
Science Museum Group
© The Board of Trustees of the Science Museum
Pair of miniature prismatic binoculars, 5x, with optical lens diameter of 14mm, by Portrena, Europe, 1920-1935
Details
- Category:
- Optics
- Object Number:
- 1979-862
- Materials:
- aluminium (metal), glass, brass (copper, zinc alloy) and metal (unknown)
- Measurements:
-
overall (lying flat): 32 mm x 100 mm x 80 mm, .118kg
- type:
- field glasses and binoculars
- credit:
- Frank, Arthur
