Liquid compass

The object is a float for a liquid compass, not the entire liquid compass.

Float: A heavy brass domed float. Top has been cut away to allow inspection of interior. Inside are four magnets each made up of three elements 2 x 4.75", 2 x 3.25" long. There are four flat bar magnets encesed in brass mounted on underside of float.

OA height 2.0" (5.0 cm)

Object Details

ID: ACO1322
Type: Liquid compass
Display location: Not on display
Creator: Unknown
Date made: circa 1914
Credit: National Maritime Museum, Greenwich, London, Admiralty Compass Observatory
Measurements: Overall: 50 mm; Diameter: 145 mm