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Science Museum Group
© The Board of Trustees of the Science Museum
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
- credit:
- British Admiralty (Hydrographic Department)
