Dip circle needle

A brass dip circle needle from the 1845 British Northwest Passage Expedition led by Sir John Franklin. The needle relates to AAA2223, a brass dip circle.

The dip circle was found by Lieutenant William R. Hobson's sledge team on 6 May 1859 near the Ross Cairn, Point Victory, King William Island, as part of the search expedition led by Captain F. L. McClintock. Hobson described it as '...a small dip circle..' [Stenton, 'Arctic' v.69, No. 4, p. 515]. McClintock recorded it as ''...a dip circle by Robinson with two needles, bar magnates, and light horizontal needle all complete, the whole weighing only nine pounds' [McClintock, 'Voyage of the Fox' (1860), p.304].

The item is shown in - 'Stereoscopic slides of the relics of Sir John Franklin's Expedition' photographed by Lieutenant Cheyne RN, at the United Services Museum, Whitehall, No. 1.

Object Details

ID: AAA2223.1
Type: Needle for dip circle
Display location: Display - Polar Worlds Gallery
Creator: Unknown
Date made: Unknown
Credit: National Maritime Museum, Greenwich, London
Measurements: Overall: 25 mm x 152 mm x 10 mm
Parts: Dip circle (Dip circle)
  • Dip circle needle (Needle for dip circle) (AAA2223.1)