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Related articles:
Navigation
Clock
John Harrison
Escapement
Celestial navigation
Greenwich
Longitude
Greenwich Mean Time
Horology
Key terms: chronometer ship balance clock spring sea navigation harrison gps quartz signal detent escapement watch greenwich marine chronometers britain problem accurate precision longitude timekeepers roller motion portable mechanical escape wheel celestial electronic makers staff voyage center of oscillation noon remained time signal degrees inventions accuracy production methods lunar distance determine difference temperature balance spring allows solved hamilton toward horology Search external links cited by footnotes on Wikipedia page Marine chronometer: |
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