Artificial mercury horizon in fitted wooden case, made by John Dennett Potter, Poultry, City of London, England, 1860-1870. Consisting of a rectangular cast iron trough, brass-lined, roof-shaped cover with glazed side panels and circular mercury storage jar with threaded stopper and spout. Used by the Hydrographic Offfice of the British Admiralty (broad arrow property mark).
- Object Number:
- furnishing and equipment
- tools & equipment
- optical instrument
- ancillary optical instrument
- artificial horizon
- Mr A.C. Reid
- Permanent collection
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.