Midnight Sun jxcrystals

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zelph
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Joined: Tue Aug 14, 2007 1:53 pm

Midnight Sun jxcrystals

Post by zelph » Mon Aug 04, 2014 5:49 pm

Thermal photovoltaic cells.

http://jxcrystals.com/drupal/thermopv

Really good stuff here in PDF format, lots of color photos showing the hand held battery charger idea.

http://jxcrystals.com/publications/Fraa ... 202011.pdf
http://www.woodgaz-stove.com/
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