Verge
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What links here
Verge escapement
Yi Xing
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Anchor escapement
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Grandfather clock
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Pocket watch
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Escapement
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Water clock
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Jean Froissart
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Timeline of historic inventions
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Song dynasty
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Pendulum
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Christiaan Huygens
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1275
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Pendulum clock
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Clock
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Algorithm
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Crown-wheel-verge escapement
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Verge-and-foliot escapement
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