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Archimedes screws Giant Whalley Hydro Project

September 3, 2014 Last update 02:58 BST

A giant Archimedes screw was used as part of a community project in Lancashire, energy left to produce.

Whalley Community Hydro Limited built a water mill on the stream Whalley Weir on the River Calder.

The group behind the system, the turbine when they finished generate around £ 90,000 of electricity per year.