Tumbler is also named as Tian Che, as a historically water lift device invented in early period of Tang Dynasty (618-907). The shape of tumbler is like a spinning machine, using wooden as the water wheel. binding with many bamboo pins around the wheel. When the tumbler rotates with water flow, pins lift water to the higher place.
水转筒车
Tumbler is also named as Tian Che, as a historically water lift device invented in early period of Tang Dynasty (618-907). The shape of tumbler is like a spinning machine, using wooden as the water wheel. binding with many bamboo pins around the wheel. When the tumbler rotates with water flow, pins lift water to the higher place.













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