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        Inventions and Science: Astronomical Clock and Other Advancements | The Story of China

        Explore the work and legacy of Su Song in this clip from The Story of China. Song was a scholar, civil servant and expert on a wide range of technical subjects including pharmaceutical botany, zoology and minerals, as well as calendar science and astronomy. He invented an astronomical clock for the emperor of China featuring a design involving a chain-drive mechanism added to a water-powered clock. It told the time of day, as well as the day of the month, and the phases of the moon.


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