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Pocket chronometer in a silver-gilt case, within a later mahogany deck box. Mainspring has been replaced with letter from Dent's to Capt. Richards 4 January 1910. Full-plate, Earnshaw escapement and compensation balance, helical oversprung. Said to have been used by Capt McClure in search fro Franklin 1850-4.

Object Details

ID: ZAA0019
Collection: Timekeeping
Type: Pocket chronometer
Display location: Not on display
Creator: Earnshaw, Thomas; John Arnold & Son
Events: Arctic Exploration: Franklin Search Expedition, McClure, 1850-1854
Vessels: Investigator (1848)
Date made: 1789
People: McClure, Robert John Le Mesurier
Credit: National Maritime Museum, Greenwich, London
Measurements: Overall: 71 x 50 x 13 mm