Vertical force measuring needle

Vertical force measuring needle for the heeling error instrument.

Object Details

ID: ACO0079.2
Type: Vertical force measuring needle
Display location: Not on display
Creator: Unknown
Date made: 1892
Credit: National Maritime Museum, Greenwich, London, Admiralty Compass Observatory
Measurements: Overall: 7 mm x 93 mm x 39 mm
Parts: Heeling error instrument model