Keywords: ArchScrewGen1.JPG en Bedford Boat Slide - Archimedean Screw Turbine - Opening - Generator 1 own Simon Speed 2012-06-18 52 8 0 2 N 0 27 16 46 W region GB_heading W Bedford Boat Slide Turbine Hydroelectric generators Photos by Simon Speed Taken with Pentax Optio 60 Cc-zero |