Open Country - 06/12/2008
Matt Baker finds out about a new project to revive the hydroelectric plant at Grassington in Yorkshire and others like it using a 2,000-year-old invention called Archimedes' Screw.
Matt Baker finds out about a new project to revive the hydroelectric plant at Grassington in Yorkshire and others like it using a 2,000-year-old invention called Archimedes' Screw.