5 Apr 2013

Gravity Light

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As the name suggests the light uses gravity to produce electricity.  Lift the weight into place and that gives you 30 minutes of free light. 
Mostly designed for the 3rd world.  It would take 3 months of, noxious, kerosene payments to pay for the light and the system, from then onwards, is free to run  From Deciwatt.



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