Artificial mercury horizon with mercury container and storage case with trade card, made by Thomas Jones, 62 Charing Cross, London, 1835-1845. Consists of a rectangular metal trough, with wooden lining, and loose fitting roof-shaped brass cover with side glazed panels. The mercury bottle is a flat wooden container with wood screw stopper. Marked, ‘F.26.’ the property mark of the Hydrographic Office of the British Admiralty (adopted February 1828).
Details
- Category:
- Astronomy
- Object Number:
- 1911-218
- type:
- artificial horizon - mercury and trade card
- credit:
- British Admiralty (Hydrographic Department)
