chronometer movement, pocket

Chronometer movement, pocket chronometer in a deck box. Full-plate watch movement, Earnshaw spring detent escapement; Earnshaw-type balance but with cylindrical weights; free-sprung helical steel balance-spring. Flat enamel dial, subsidiary seconds dial at VI; gold hands, steel seconds hand.

Object Details

ID: ZAA0390
Collection: Timekeeping
Type: chronometer movement, pocket
Display location: Not on display
Creator: Harris, H
Date made: ca.1815
Credit: National Maritime Museum, Greenwich, London, Foulkes Collection
Measurements: Overall: 40 x 79 x 83 mm
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