Greater Ancestors

World Museum

Armillary Sphere

Armillary Sphere

Zhang Heng also, made the first water-driven armillary sphere in the world to measure the position of celestial bodies. All the important astronomical phenomena known to all had been carved on this instrument, which can be used for observation of the movement of the sun, the moon and stars.

http://thechinatourism.com/2011/07/06/zhang-heng-and-the-seismograph/

Chris L Lesley/Greater Ancestors World Museum

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