ꯐꯥꯏꯜ:Yuan Dynasty - waterwheels and smelting.png

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DescriptionYuan Dynasty - waterwheels and smelting.png	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.
Date	1313 AD
Source	http://www.waterhistory.org/histories/waterwheels/
Author	Wang Zhen

Public domainPublic domainfalsefalse

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https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	14:49, 28 December 2007	Error creating thumbnail: File missing	৮০০ × ৫৯২ (২৬২ KB)	smartcommons>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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