The Australian War Memorial Collection. Test site
Magnetic card compass which has probably been removed from an aeroplane. The bowl is attached by springs to a brass gimbal. The bowl is also made of brass and has been painted light grey, with the name R W Donaldson scratched into the base. The revolving card is calibrated in degrees while an 'O' has been painted in the position which normally indicates- west. This is the first letter of the French word- Ouest- meaning west. The words 'Made in Paris' have also been painted on the face of the compass rose.
No manufacturer's markings or serial. The casing is 91 mm dia; the glass is 79 mm dia. The base of the brass gimbal frame support is 50 mm x 40 to 48 mm wide where it curves to two arms that hold the springs that suport the bowl. The arms taper from 16 mm at the base to 7 mm at the top where they narrow further to the spring locations. The arms of the gimbal are recessed in their rear. Three springs each side 22 mm apart.
The compass was mounted as far from magnetic metal as possible to avoid interference with its operation. Compasses were essential for aerial navigation.
This instrument is contained in a double bowl shaped vessel that is held in place by being bolted to a top plate that in turn is mounted in a gimbal. This allows the instrument to swing North-South. T
German aircraft compass taken from L.V.G CV two seater biplane shot down at Afule, Palestine 1918. The item comprises the compass bowl from a German aircraft. The internal parts are missing, as is t
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Field Compass mounted on a flat brass frame, with folding wire sights. Hooks on the upper extremities of the sights enable the compass to be attached to a string line. The compass card is calibrated
The compass consists of a triangular base with three tubular legs. A mid-section comprises a circular aluminium disc with North, South, East, and West marked, as well as 360 degree markers. Engraved
