2025 / 1851

Marine chronometer, 1-day with Earnshaw's balance oversprung with helical blued steel balance spring. Detent missing. Silvered dial, subsidiary seconds hand at VI. Set in gymbals with locking device.

Object Details

ID: ZAA0058
Collection: Timekeeping
Type: Marine chronometer
Display location: Not on display
Creator: Arnold, John Roger; Frodsham, Charles
Date made: ca.1843
Exhibition: Ships, Clocks & Stars: The Quest for Longitude
Credit: National Maritime Museum, Greenwich, London
Measurements: Overall: 135 x 140 x 135 mm
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