Mine surveying sighting disc, German, 1920-1930
- maker:
- Carl Zeiss (London) Limited and Carl Zeiss, Jena
This image is released under a CC BY-NC-SA 4.0
Licence
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LicenseSighting disc or movable bench mark for mine surveying
Science Museum Group
© The Board of Trustees of the Science Museum
Sighting disc or movable bench mark for mine surveying, in metal carrying case, supplied by Carl Zeiss (London) Ltd., c. 1925.
Details
- Category:
- Surveying
- Object Number:
- 1929-258
- Materials:
- leather, steel (metal), glass, brass (copper, zinc alloy), wood (unidentified), metal (unknown), copper (metal), plastic (unidentified) and textile
- Measurements:
-
overall: 195 mm x 160 mm x 75 mm, .785kg
- type:
- bench mark
- credit:
- Carl Zeiss (London) Limited
