Type 6/18 Mark III

Liquid compass
Card: A magnet system for a Hughes Mark IIIa compass. Comprises spider of eight elements, N & S elements red, N point marked with a red diamond, E & W points black. The end of each element is turned down at right angles.
Needle: Two needle magnets are mounted below the spider.
Pivot: Inverted type with pivot secured at base of float chamber. Pivot cap carried at top of brass stem which in this case is set in cork.
O.A. height 2.0" (5.0cm)

Object Details

ID: ACO0327
Type: Liquid compass - aircraft
Display location: Not on display
Creator: Henry Hughes & Son Limited
Date made: 1926
Credit: National Maritime Museum, Greenwich, London, Admiralty Compass Observatory
Measurements: Overall: 55 mm; Diameter: 60 mm