Case for brass quadrant with stand.
Case for 18-inch brass quadrant by John Bird, London.
- Measurements:
-
overall: 190 x 800 x 670 mm
- Materials:
- pine
- Object Number:
- 1937-600 Pt1
- type:
- instrument case
Brass quadrant with 0-90° scale of 18-inch radius with second scale of 0- 96° divisions with stand, two optical sights and wooden case, by John Bird, London, dated 1771 and signed, 'W.L.'. Originally the property of the reverend William Ludlam, mathematican and fellow of St. Johns College, Cambridge.
Case for 18-inch brass quadrant by John Bird, London.
Brass quadrant with 0-90° scale of 18-inch radius with second scale of 0- 96° divisions with stand and two optical sights by John Bird, London, 1771.