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Marine chronometer, 2-day, with Earnshaw's spring detent escapement and Earnshaw's balance with Poole's auxilary compensation, oversprung with helical blued steel spring.
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Object Details
| ID: | ZAA0138 |
|---|---|
| Collection: | Timekeeping |
| Type: | Marine chronometer |
| Display location: | Not on display |
| Creator: | Poole, John |
| Date made: | circa 1870 |
| Credit: | National Maritime Museum, Greenwich, London |
| Measurements: | Overall: 194 x 193 x 188 mm |