Mining surveying level target, British,1930
- maker:
- E. R. Watts and Son Limited
This image is released under a CC BY-NC-SA 4.0
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Science Museum Group
© The Board of Trustees of the Science Museum
Simple pattern mining target or movable bench mark by E. R. Watts & Son Ltd, London, England, c.1930. With possible accessory.
Details
- Category:
- Surveying
- Object Number:
- 1932-50
- Materials:
- brass (copper, zinc alloy), glass, alcohol and metal (unknown)
- Measurements:
-
overall: 272 mm 102 mm, 1.19kg
accessory?: 2 mm x 58 mm x 12 mm, .005kg
- type:
- bench mark
- credit:
- Rank Organisation plc; E. R. Watts & Son
