Circumferentor by J. Sisson of London, England, 1731-1770. Used by Henry Cavendish.
Details
- Category:
- Surveying
- Object Number:
- 1930-904
- Materials:
- brass, steel, needle, glass and case, mahogany
- Measurements:
-
compass: diameter 87 mm
circle: diameter 100 mm
overall: height 40 mm
case: diameter 120 mm
case: height 45 mm
- type:
- circumferentor
- credit:
- Cavendish, Victor Christian William, ninth duke of Devonshire