Type P.4

Liquid compass
Square wooden box with six fore and aft and six athwartships holes for carrying corrector magnets. Fitted with metal shutter which, when closed, covers the holes. Mounted on brass attaching plate 4.25" (2.9cm) in length. The carrier can be used either with or without the attaching plate.
O.A height 1.2" (2.9cm)

Object Details

ID: ACO0331
Type: Liquid compass - aircraft
Display location: Not on display
Creator: Air Ministry
Date made: 1926
Credit: National Maritime Museum, Greenwich, London, Admiralty Compass Observatory
Measurements: Overall: 29 mm x 110 mm x 58 mm