Spider for liquid compass - aircraft

Spider compass

Card: Spider with eight elements (two broken) all bent to improve damping effect. Pivot point at centre.

Needle: Four needles in two sets of two mounted below spider. Length: 1.25" (3.2 cm)

Pivot: Inverted type with pivot point set in cup at centre of spider.

OA height 2.0" (5.1 cm)

Object Details

ID: ACO1334
Type: Spider for liquid compass - aircraft
Display location: Not on display
Creator: Admiralty Compass Observatory
Date made: circa 1930
Credit: National Maritime Museum, Greenwich, London, Admiralty Compass Observatory
Measurements: Overall: 25 mm x 70 mm x 85 mm
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