Compass needle box

Compass needle fitted with a jewel cups working in gimbals in a central aperture; also with two balancing weights working on threaded portions of the needle.

Object Details

ID: ACO0435.3
Type: Compass needle box
Display location: Not on display
Creator: Unknown
Date made: 19th century
Credit: National Maritime Museum, Greenwich, London, Admiralty Compass Observatory
Measurements: Overall: 13 mm x 112 mm x 29 mm
Parts: Compass needle