Degree Corrector - gyrocompass

On label "Probably an interim form of speed and latitude corrector for the Sperry MkII Gyro Compass"

Object Details

ID: ACO1467
Type: Degree Corrector - gyrocompass
Display location: Not on display
Creator: Unknown
Date made: Unknown
Credit: National Maritime Museum, Greenwich, London, Admiralty Compass Observatory
Measurements: Overall: 100 mm x 160 mm x 85 mm x 400 g