Artificial black glass horizon.

Made:
1850-1861 in Charing Cross
maker:
Thomas Jones

Artificial glass horizon, made by Thomas Jones, 62 Charing Cross, City of Westminster, London, around 1910. Consists of rectangular brass anodized base holding a blackened glass mirror plate with three levelling feet (lacking spirit level). Used by the British Hydrographic Office, marked with ownership number, F84 (adopted in February 1828).

Details

Category:
Astronomy
Object Number:
1911-216
type:
artificial horizon - glass
credit:
British Admiralty (Hydrographic Department)