Corrector magnet cylinder

A brass cylinder enclosing nine magnets 9" x 3/8". These were attached beneath the bucket in the binnacles of certain ships where it was found that the ordinary nine magnets were insufficient to correct heeling error.

Object Details

ID: ACO0446
Type: Corrector magnet cylinder
Display location: Not on display
Creator: Unknown
Date made: 1918
Credit: National Maritime Museum, Greenwich, London, Admiralty Compass Observatory
Measurements: Overall: 251 mm; Diameter: 34 mm