Artificial mercury horizon.

Artificial mercury horizon in fitted rectangular wooden case

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

Artificial mercury horizon in fitted rectangular wooden case with leather strap, made by John Dennett Potter, 31 Poultry, City of London, England 1860-1869. 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.

Details

Category:
Meteorology
Object Number:
1995-806
Materials:
brass, iron and wood
Measurements:
overall: 11.3 x 16.8 cm
type:
artificial horizon - mercury
credit:
Meteorological Office, Berkshire