Artificial horizon, glass

Description

Artificial glass horizon, circular anodized brass plate on three levelling feet with ivory knobs, covered with blackened glass plate (mirror), and with spirit level, signed and made by Francis Watkins and William Hill of London, c. 1850

Museum reference

T.1911.39

Collection

History of Science

Object name

Artificial horizon, glass

Production information

Francis Watkins and William Hill, Instrument maker
London, England, Northern Europe

Date

c. 1850

Materials

Anodised brass, Ivory, Glass, Wood, Velvet

Physical description

Black glass, glass spirit level

Associations

Previous owner: Admiralty
Certifier: National Physical Laboratory (NPL)