Artificial horizon, roof, mercury

Description

Artificial horizon, mercury roof horizon, rectangular black-lacquered cast iron trough with pouring hole and brass-framed roof-shaped cover, iron bottle and iron funnel, in fitted wooden carrying box, signed and made by Troughton and Simms of London, c. 1860

Museum reference

T.1982.197

Collection

History of Science

Object name

Artificial horizon, roof, mercury

Production information

Troughton and Simms Ltd, Instrument maker
London, England, Northern Europe

Date

c. 1860

Materials

Cast iron, Lacquer, Brass, Glass, Iron, Mercury, Iron, Wood

Associations

Wellcome Collection

References

Clifton, Directory, 282

Mörzer Bruyns, Sextants at Greenwich 286-9