Magnet holder - aircraft compass

A grey painted aluminium corrector magnet holder. Magnets are held in base of tube and can be turned by a key inserted into holes at the side.

Object Details

ID: ACO1148
Type: Magnet holder - aircraft compass
Display location: Not on display
Creator: Air Ministry
Date made: 1931
Credit: National Maritime Museum, Greenwich, London, Admiralty Compass Observatory
Measurements: Overall: 61 mm x 83 mm x 81 mm