Magnetic corrector box - aircraft compass

Magnetic corrector box
Grey painted brass. Box contains two independent pairs of magnets operated by level gearing inside box which are rotated by turning the operating heads with a special key. Fitted in a ring bracket.

Object Details

ID: ACO0382
Type: Magnetic corrector box - aircraft compass
Display location: Not on display
Creator: Air Ministry
Date made: 1931
Credit: National Maritime Museum, Greenwich, London, Admiralty Compass Observatory
Measurements: Overall: 33 mm x 65 mm x 60 mm
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