Liquid compass - aircraft

Liquid compass- (Pfadfinder Armee Kompas)

Bowl: Cylindrical bowl with a curved window at front to view vertical section of card. Verge ring is graduated 0 - 360 by 10 degree divisions in an anti-clockwise direction. There is a course setter, painted red, on the top glass. A lubber wire on front window and painted on inside of bowl which is white. Below bowl is a spindle which carries two sets corrector bar magnets, housed in a perforated cage. A lead seal on base of bowl. Fitted into original wall bracket.

Card: A white painted metal card with both horizontal and vertical graduations. Both planes are graduated to the four cardinal points and 0 - 360 degs by 10 degree divisions.

Needle: Unsighted.

Pivot: Unsighted.

O.A. Height 11" (28 cm)

Object Details

ID: ACO0561
Type: Liquid compass - aircraft
Display location: Not on display
Creator: Plath, C.
Date made: 1914-18; 1914-1918
Credit: National Maritime Museum, Greenwich, London, Admiralty Compass Observatory
Measurements: Overall: 279 mm x 185 mm x 225 mm