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John Harrison

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A Detailed Study of H4 - John Harrison's Longitude Timekeeper Reconstruction

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George Harrison - Here comes the sun Subtitulada en Español

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George Harrison - Got My Mind Set On You (Version II) [Official Music Video]

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John Harrison (Official Music Video) | The Brilliance

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The Beatles - Something

John Harrison was a self-educated English carpenter and clockmaker who invented a marine chronometer, a long-sought-after device for solving the problem of calculating longitude while at sea.