Screw and nut associated with the 3-foot geodetic theodolite
- Made:
- 1791 in Piccadilly, London and England
- maker:
- Jesse Ramsden
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Science Museum Group
© The Board of Trustees of the Science Museum
Screw and nut. Part of the three-foot geodetic theodolite, sometimes called the ‘great Theodolite’, used for the Principal Triangulation of Great Britain. Made by Jesse Ramsden, Piccadilly, London, 1791. In crystal box
Details
- Category:
- Surveying
- Object Number:
- 1876-1203/9
- Materials:
- brass (copper, zinc alloy)
- type:
- screw
- credit:
- Ordnance Survey
