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1370
Marine chronometer, 2-day. Earnshaw escapement. Later compensation balance. Oversprung with helical steel spring. 'Up and down' dial to show how many hours the instrument has been running since last wound.
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Object Details
| ID: | ZAA0055 |
|---|---|
| Collection: | Timekeeping |
| Type: | Marine chronometer |
| Display location: | Not on display |
| Creator: | Arnold, John Roger |
| Date made: | ca.1841 |
| Credit: | National Maritime Museum, Greenwich, London |
| Measurements: | 153 mm x 160 mm x 152 mm |
| Parts: | 1370 |
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