Artificial mercury horizon in fitted wooden case, made by John Dennett Potter, 31 Poultry, City of London, England 1860-1870. 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. Marked with property mark (broad arrow) of the Hydrographic Office of the British Admiralty.
- Object Number:
- furnishing and equipment
- tools & equipment
- optical instrument
- ancillary optical instrument
- artificial horizon
- British Admiralty (Hydrographic Department)
Cite this page
We encourage the use and reuse of our collection data.
Data in the title, made, maker and details fields are released under Creative Commons Zero
Descriptions and all other text content are licensed under a Creative Commons Attribution 4.0 licence
Download catalogue entry as json
Download manifest IIIF
Our records are constantly being enhanced and improved, but please note that we cannot guarantee the accuracy of any information shown on this website.