Telescope eyepiece or correcting lens.

A telescope lens in a brass mount from the 1845 British Northwest Passage Expedition led by Sir John Franklin. The lens is either an eyepiece or one of the correcting lenses.

The telescope lens was found by Captain F. L. McClintock's sledge team on 30 May 1859 at a place where a ship's boat was discovered on the coast of Erebus Bay, King William Island, during the expedition he led. Hobson had visited the site on 24 May but does not record the telescope lens specifically in his detailed report [Stenton, 'Arctic' v.69, No. 4, p. 518]. McClintock records 'one of the glasses of a telescope'. [McClintock, Voyage of the Fox (1859), page 367].

The shot pouch was displayed at the Royal Naval Museum, Greenwich, in Case 2, No. 35. 'Eyeglass of a telescope'. 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. 7 (right side, centre, above the glove) with an unreadable label

Object Details

ID: AAA2185
Collection: Astronomical and navigational instruments; Polar Equipment and Relics
Type: Telescope lens
Display location: Not on display
Creator: Unknown
Events: Arctic Exploration: Franklin's Last Expedition, 1845-1848; Arctic Exploration: Franklin Search Expedition, McClintock, 1857-1859
Vessels: Fox (1855)
Date made: Before 1845
Credit: National Maritime Museum, Greenwich, London.
Measurements: 7 x 38 mm

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