366

Marine chronometer, 8 day, in mahogany box. Original Earnshaw escapement. Standard compensation balance (later). Over sprung with a helical steel balance spring. Fusee and chain.

Object Details

ID: ZAA0048
Collection: Timekeeping
Type: Marine chronometer
Display location: Not on display
Creator: Arnold, John Roger
Date made: circa 1843
Credit: National Maritime Museum, Greenwich, London
Measurements: 177 mm x 196 mm x 184 mm
Parts: 366
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