Liquid compass

German 4 7/8 inch light metal card by Ludolph. Two 2 3/4 inch flat needles and cruciform float.

Object Details

ID: ACO0855
Type: Liquid compass
Display location: Not on display
Creator: Ludolph, W.
Date made: 1945
Credit: National Maritime Museum, Greenwich, London, Admiralty Compass Observatory
Measurements: Overall: 15 mm; Diameter: 125 mm