Su Song

1020 – 1101 · China · Engineering, Astronomy

Built an astronomical clock tower with the first known escapement chain drive.

Index entry

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Continuity of ideas

Who shaped Su Song, and who they shaped

Inherited from1

  • Zhang Heng

    78 – 139 · Astronomy, Engineering

    Han water-driven armillary astronomy is the engineering line Su Song's clock tower completes.

Passed the work to1

  • Shen Kuo

    1031 – 1095 · Astronomy, Engineering

    Song court instrument-making and Shen Kuo's Dream Pool Essays record the same technical programme.

Sources and references

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Nearby in the annals