Zigzag compass

Winding key for the zigzag dry card compass.

Object Details

ID: ACO0049.2
Type: Dry card compass winding key
Display location: Not on display
Creator: Thomson, William
Date made: ca.1918
Credit: National Maritime Museum, Greenwich, London, Admiralty Compass Observatory
Measurements: Overall: 90 mm x 31 mm x 6 mm