Artificial mercury horizon.

Made:: 1845-1855 in England

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Artificial mercury horizon in fitted wooden case
Science Museum Group
© The Board of Trustees of the Science Museum

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:: brass, boxwood, glass, mahogany and complete

Measurements:: overall: 100 x 170 x 60 mm

type:: artificial horizon - mercury

credit:: Mr A.C. Reid

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Artificial mercury horizon.

Details

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