Precision, Measurement & Control
Su Song's astronomical clock tower
Su Song's water-powered clock tower combined astronomical displays, time signals and an elaborate transmission system. His illustrated treatise records the mechanism; the original tower was dismantled and does not survive intact.
About this artifact
Su Song's water-powered clock tower combined astronomical displays, time signals and an elaborate transmission system. His illustrated treatise records the mechanism; the original tower was dismantled and does not survive intact.
Sources & image credits
Historical photograph, illustration or documented physical example; the source caption identifies the depicted object.
Image: Clock Tower from Su Song's Book desmear.JPG
Creator: Su Song
License: Public domain
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