Total force needle

Two needles edge bar type with pointed ends. Length 3.5". Width 0.25". Held in metal box 3.8 x 1.8 x 0.5" (9.9 x 4.7 x 1.3 cm)

Object Details

ID: ACO0094
Type: Total force needle
Display location: Not on display
Creator: Dover, A. W.
Events: Antarctic Exploration: British Antarctic Expedition, 1910-1913
Vessels: Terra Nova fl.1910
Date made: circa 1910
Credit: National Maritime Museum, Greenwich, London, Admiralty Compass Observatory
Measurements: Overall: 12 mm x 98 mm x 47 mm