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"Heat Your Room with 1 Candle plus Flowerpots, Nuts and Washers" (Permaculture Magazine) [View all]
(remember, kids: FIRE BAD so proceed with caution)
http://www.permaculture.co.uk/readers-solutions/heat-your-room-1-candle-plus-flowerpots-nuts-and-washers
"How it Works
The basic purpose of this heater is to capture the heat given from a candle flame and to concentrate it into a steel and ceramic radiator assembly. After some time, the ceramic surface will act as a thermal mass and begin to radiate the captured thermal energy into your room or office."
14 replies
= new reply since forum marked as read
= new reply since forum marked as read