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Fitxategi:Yuan Dynasty - waterwheels and smelting.png

Yuan_Dynasty_-_waterwheels_and_smelting.png ‎((800 × 592 pixel, fitxategiaren tamaina: 262 KB, MIME mota: image/png))

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English: This medieval printed illustration depicts waterwheels powering the bellows of a blast furnace in creating cast iron. This illustration is taken from the 14th century treatise Nong Shu, written by Wang Zhen in 1313 AD, during the Chinese Yuan Dynasty.
Data AD
Jatorria http://www.waterhistory.org/histories/waterwheels/
Egilea Wang Zhen

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oraingoa11:19, 28 abendua 200711:19, 28 abendua 2007 bertsioaren iruditxoa800 × 592 (262 KB)Mywood{{Information |Description= This medieval printed illustration depicts waterwheels powering the bellows of a blast furnace in creating cast iron. This illustration is taken from the 14th century treatise Nong Shu, written by Wang Zhen in 1313 AD, during t

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