1514
Marine chronometer, 2-day. Earnshaw spring detent escapement. Later balance oversprung with blue steel helical spring.
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Object Details
ID: | ZAA0135 |
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Collection: | Timekeeping |
Type: | Marine chronometer |
Display location: | Not on display |
Creator: | Arnold, John Roger; Frodsham, Charles |
Date made: | circa 1845 |
Credit: | National Maritime Museum, Greenwich, London |
Measurements: | Overall: 190 x 200 x 195 mm |