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* Heliostat - http://www.iwilltry.org/b/projects/build-a-heliostat-for-solar-heating-and-lighting/ |
Mirrors to reflect sun back
http://www.builditsolar.com/Experimental/ShurcliffPart1/S88.htm
Heliostat - http://www.iwilltry.org/b/projects/build-a-heliostat-for-solar-heating-and-lighting/
Examples
Manufacturers
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