Surveying compass, British, 1913-1920
- patentee:
- Louis Wentworth Pakington Chetwynd
Electrically illuminated liquid prismatic compass by Kelvin, Bottomley and Baird, early 20th century
Details
- Category:
- Surveying
- Object Number:
- 1922-44
- Materials:
- casing, metal, casing, glass, casing, water and casing, alcohol
- type:
- prismatic compass and magnetic compass
- credit:
- Miscellaneous Disposals Syndicate