Brass quadrant

Made:
1749-1783 in London
maker:
Jeremiah Sisson

Brass quadrant, 6-inch radius with stand and an optical sight by J. Sisson, London, in mahogany case.

Details

Category:
Astronomy
Object Number:
1918-168
Materials:
brass, iron, glass, wood and complete
Measurements:
overall: 120 x 320 x 250 mm
type:
quadrant - optical and instrument case
credit:
Mr Thomas H. Court

Parts