Part of levelling staff, British, 1915-1922
- maker:
- E. R. Watts & Son
This image is released under a CC BY-NC-SA 4.0
Licence
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LicenseInvar strip, part of precise levelling staff, by E. R
Science Museum Group
© The Board of Trustees of the Science Museum
Invar strip, part of precise levelling staff, by E. R. Watts and Son, London, England, 1915-1922
Details
- Category:
- Surveying
- Object Number:
- 1922-467
- Materials:
- brass (copper, zinc alloy), mahogany (wood), steel (metal) and paint
- Measurements:
-
overall: 44 mm x 733 mm x 79 mm, 1.255kg
- type:
- instrument component and levelling staff
- credit:
- The Rank Group Plc
