mercoledì 4 aprile 2012

MEDIEVAL TECHNOLOGY

http://www.engr.psu.edu/MTAH/photos/waterwheels/daniels_mill_6.jpghttp://www.engr.psu.edu/MTAH/photos/millstones/daniels_mill_6.jpg

Medieval Technology and American History
Medieval Technology and American History is a project of the Center for Medieval Studies at the Pennsylvania State University, supported by Grant EE-50095-04 from the National Endowment of the Humanities We the People Initiative.

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