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Solar Stirling Engine with parabola mirrorwww.stirlingshop.dewww.stirlingshop.com Skwiggs Mar 18, 2010 38 views
http://www.greenpowerscience.com/GREEN POWER SCIENCE STIRLING ENGINE AND A FRESNEL LENS 1800 RPMS.… Skwiggs Mar 18, 2010 64 views
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