Total force needles

Two edge bar needles with points at each end. Length 4.5". Width 0.25" Held in metal box. 4.8 x 1.8 x 0.5" (12.4 x 4.7 x 1.3cm)

Object Details

ID: ACO0091
Type: Total force needles
Display location: Display - Polar Worlds Gallery
Creator: Unknown
Events: Antarctic Exploration: British National Antarctic Expedition, 1901-1904; Antarctic Exploration: British Antarctic Expedition, 1910-1913
Vessels: Discovery (1901); Terra Nova fl.1910
Date made: Unknown
Credit: National Maritime Museum, Greenwich, London, Admiralty Compass Observatory
Measurements: Overall: 13 mm x 124 mm x 46 mm