Part of levelling staff, British, 1915-1922

Made:
1915-1922 in London
maker:
E. R. Watts & Son
Invar strip, part of precise levelling staff, by E. R

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Invar 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