Liquid compass

Card- White painted mica (?) with black markings graduated to 1/2 points.
Needle- Unsighted (set to variation of the North of europe so that a true course would be recorded by card).
Pivot- Unsighted
Mounted in a glazed wooden frame 11.4cm x 7.6cm x 1.00cm

Object Details

ID: ACO0437
Type: Liquid compass
Display location: Not on display
Creator: Unknown
Date made: 1917
Credit: National Maritime Museum, Greenwich, London, Admiralty Compass Observatory
Measurements: Overall: 10 mm x 114 mm x 75 mm