Part of surveying level, British, 1841
Surveyor's level, 23-inch, by Troughton & Simms, London, England, 1841. Fitted with 12-inch alcohol bubble level magnetic, compass and filar micrometer.
- Measurements:
-
overall: 285 mm x 680 mm x 170 mm, 11.645kg
- Materials:
- brass (copper, zinc alloy) , glass , alcohol , ivory , cotton (fibre) , silver (metal) and iron
- Object Number:
- 1912-199 Pt1
- type:
- instrument component , surveying level , magnetic compass and filar micrometer
- Image ©
- The Board of Trustees of the Science Museum