Watermills

thumb|Watermill of Braine-le-Château, Belgium (12th century) thumb|Interior of the Lyme Regis watermill, UK (14th century) A watermill or water mill is a mill that uses hydropower. It is a structure that uses a water wheel or water turbine to drive a mechanical process such as milling (grinding), rolling, or hammering. Such processes are needed in the production of many material goods, including flour, lumber, paper, textiles, and many metal products. These watermills may comprise gristmills, sawmills, paper mills, textile mills, hammermills, trip hammering mills, rolling mills, and wire drawi

machine for harnessing energy from the flow of water

thumb|The norias of Hama on the [[Orontes River in Syria (video).]]

thumb|The Saqiyah, c. 1905 thumb|alt=taken at Sikandra, India c1917 and titled near the time as 'A Punjabi Wheel'; from photo album of Robert Victor Soper, Private, Hampshire Regiment, in India 1916-19|'Punjab Wheel', India c.1917 A sāqiyah or saqiya (), also spelled sakia or saqia) is a mechanical water lifting device. It is also called a Persian wheel, tablia, rehat, and in Latin tympanum. It is similar in function to a scoop wheel, which uses buckets, jars, or scoops fastened either directly to a vertical wheel, or to an endless belt activated by such a wheel. The vertical wheel is itself a

type of mill

wheel with a number of paddles installed around the periphery of the wheel; part of a boat, fan or other machine

type of watermill

a water turbine which uses the principle of the Archimedean screw

canal originally constructed for water driving a water wheel

building in Śródmieście, Gdańsk

farm in Japan

heraldic figure

river cleaning machine

thumb|310x310px|Mountain Carmel Mill Dam A mill dam (International English) or milldam (US) is a dam constructed on a waterway to create a mill pond.