Artificial mercury horizon.

Made:
1845-1855 in England
maker:
Unknown

Artificial mercury horizon in fitted wooden case, made by John Dennett Potter, Poultry, City of London, England, 1860-1870. Consisting of a rectangular cast iron trough, brass-lined, roof-shaped cover with glazed side panels and circular mercury storage jar with threaded stopper and spout. Used by the Hydrographic Offfice of the British Admiralty (broad arrow property mark).

Details

Category:
Astronomy
Object Number:
1998-650
Materials:
boxwood, brass, complete, glass, mahogany
type:
artificial horizon - mercury
taxonomy:
  • furnishing and equipment
  • tools & equipment
  • optical instrument
  • ancillary optical instrument
  • artificial horizon
credit:
Mr A.C. Reid
status:
Permanent collection

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