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© The Board of Trustees of the Science Museum
Circumferentor by W. & S. Jones, 135 Holborn, London, England, 1792-1800
Details
- Category:
- Surveying
- Object Number:
- 1912-308
- Materials:
- brass (copper, zinc alloy), glass, steel (metal) and spirit
- Measurements:
-
overall: 170 mm x 262 mm x 248 mm, 1.92kg
- type:
- circumferentor and magnetic compass
- credit:
- Mr. Evan Roberts
