Optical range-finder
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Science Museum Group
© The Board of Trustees of the Science Museum
Optical range-finder, arranged for gallery demonstration, c.1940s
Details
- Category:
- Surveying
- Object Number:
- 1990-44
- Measurements:
-
overall: 1400 mm x 250 mm x 930 mm,
- type:
- optical range-finder
- credit:
- Pilkington P.E. Limited; Barr and Stroud Limited
