Water wheel
This is an old revision of this page, as edited by Learn together (talk | contribs) at 18:49, July 16, 2007. It may differ significantly from current revision.
A water wheel is a mechanism that harnesses the energy in flowing water to grind grain or to power machinery. It was used in many parts of the world, but was especially common in Europe from 1200 to 1900 A.D.
Sources
The Earth and Its Peoples A Global History, Bulliet et al, 2005.