Gyrocompass ballistic

Gyro ballistic of design introduced in 1917. The black painted gyro is fitted to early sperry gyro compasses prior to the introduction of the mercury ballistic.

Object Details

ID: ACO1424
Type: Gyrocompass ballistic
Display location: Not on display
Creator: Unknown
Date made: Unknown
Credit: National Maritime Museum, Greenwich, London, Admiralty Compass Observatory
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