Asked by Or nah from u to the s to the a | Apr. 28, 2014 11:12
About:Han Dynasty
What are some inventions of the Han and Qin dynasties?
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Answered by Norton | Apr. 29, 2014 22:26
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Wheel, Metal Plow, Fishing poles, hats, coats and children4
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Answered by Jerry | May. 05, 2014 02:093
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Han Dynasty:
Paper making technique by Cai Lun
Armillary shpere and seismograph by Zhang Heng
Qin Dynasty:
As I know, no famous item was invented then. The major achievements are weight , characters and currency standardization.3
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