IRRIGATION, CHINA 1811
Two methods of taking up water from a river : where the flow is weak, manpower is needed ; but if the flow is sufficient, a water wheel powered by the river itself does the job
Hi-Res image available upon request
Picture No
10099550
Media ID
48892019
Credit
Mary Evans Picture Library
Source
Engraving by an unnamed artist from an encyclopedia
Date
1811
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1811 Flow Irrigation Manpower Methods Needed Sufficient Weak
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