Artificial mercury horizon in case.

Made:
1860-1870 in Poultry
maker:
John Dennett Potter

Artificial mercury horizon in fitted wooden case, made by John Dennett Potter, 31 Poultry, City of London, England 1860-1870. Consists of rectangular cast iron trough with a brass, roof-shaped cover with side glazing and cylindrical steel storage jar with threaded stopper and spout. Marked with property mark (broad arrow) of the Hydrographic Office of the British Admiralty.

Details

Category:
Astronomy
Object Number:
1876-996
Materials:
mercury, metal
type:
artificial horizon - mercury
taxonomy:
  • furnishing and equipment
  • tools & equipment
  • optical instrument
  • ancillary optical instrument
  • artificial horizon
credit:
British Admiralty (Hydrographic Department)
status:
Permanent collection

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