Leandre Poisson's rotary cylindrical insulated windows

Submitted by Jeff Buster on Wed, 12/30/2009 - 18:25.
Leandre Poisson's rotary cylindrical insulated windows

Leandre Poisson explains his design for rotating cylindrical thermal windows filon image jeff buster 2.4.09 leandre poisson's filon fiberglass panel green house 2.4.09 image jeff buster

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