Creagh-Osborne Air compass type 255, no.160, liquid compass with barrel shaped bowl and viewing windows to each side, with radium paint on compass, developed by Captain F.O. Creagh-Osborne, made by H. Hughes and Son Ltd., London, 1915-1933

Details

Category:
Navigation
Object Number:
1933-476
Materials:
brass (copper, zinc alloy), glass, metal (unknown), mica and wood (unidentified)
Measurements:
overall: 187 mm x 170 mm x 104 mm,
type:
compass (direction indicator)
credit:
Admiralty Compass Observatory