Part of Two foot geodetic theodolite, British, 1826-1828

Made:
1826-1828 in Fleet Street
maker:
Troughton and Simms Limited

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Science Museum Group Collection
© The Board of Trustees of the Science Museum

Science Museum Group Collection
© The Board of Trustees of the Science Museum

Science Museum Group Collection
© The Board of Trustees of the Science Museum

Science Museum Group Collection
© The Board of Trustees of the Science Museum

Two-foot geodetic theodolite with cast iron base and mahogany stand, by Troughton and Simms, London, England, 1826-28. Fitted with three bubble levels and eight reading microscopes. First used in 1828 for checking the Lough Foyle base.

Details

Category:
Surveying
Object Number:
1876-1204 Pt1
Materials:
brass (copper, zinc alloy), glass, iron, mahogany (wood) and platinum (metal)
type:
instrument component
taxonomy:
  • furnishing and equipment
  • measuring device - instrument
  • theodolite
  • component - object
credit:
Ordnance Survey