www.greenpowerscience.com SPOT FRESNEL LENS WITH GLASS ART FIBER OPTIC ART. LONGER VERSION: www.youtube.com
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I liked a @YouTube video http://t.co/TZh7f4mm GLASS SPRINGS solar glass art from soda glass BOROSILICATE ROD
loneshark
loneshark
Wednesday, May 16, 2012
Solar Energy - GLASS SPRINGS solar glass art from soda glass BOROSILICATE ROD
www.greenpowerscience.com SPOT FRESNEL LENS WITH GLASS ART FIBER OPTIC ART. LONGER VERSION: www.youtube.com
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