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It's called a heliostat ...Nice website explains construction and gives help:[URL unfurl="true"]http://www.iwilltry.org/b/projects/build-a-heliostat-for-solar-heating-and-lighting/[/URL]
It's called a heliostat ...
Nice website explains construction and gives help:
[URL unfurl="true"]http://www.iwilltry.org/b/projects/build-a-heliostat-for-solar-heating-and-lighting/[/URL]
