Topometer, combined box sextant & range-finder, British, 1905-1920

Made:
1905-1920 in City of Westminster
maker:
James A Sinclair & Co Ltd
designer:
R.H. Owen

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Owen's topometer, with case, made by James A. Sinclair and Co. Ltd., 54 Haymarket, London, 1905-1920

Details

Category:
Surveying
Object Number:
1963-292
Materials:
adhesive tape, brass (copper, zinc alloy), glass, leather, steel (metal), zinc (metal)
type:
optical range-finder
taxonomy:
  • furnishing and equipment
  • measuring device - instrument
  • sextant
  • pocket sextant
  • furnishing and equipment
  • measuring device - instrument
  • range-finder
credit:
Williams, R.E.

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