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How far the oldest surviving clock in England dates back to.
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Clockmakers began to make small clocks driven by a spring, the first portable timepieces.
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Peter Henlein created the first pocketwatch.
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Christiaan Huygens invented the pendulum Clock.
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The long, or seconds, pendulum was introduced by English clock makers with the anchor escapement.
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The first American clock was invented in 1761 by Benjamin Banneker when he was only thirty years old.
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John Harrison built a marine chronometer with a spring and balance wheel escapement. Kept time on board a rolling ship to about one-fifth of a second a day during sea trials in 1762.
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the first battery electric clock was driven by a spring and pendulum and employed an electrical impulse to operate a number of dials.
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Seth Thomas I developed small mechanical wind-up Alarm Clock in about 1860.
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Seth Thomas II patented his father's clock