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Old 09-14-2018, 11:20 AM  
GFED
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Free Energy ... Nikolai Tesla

https://patents.google.com/patent/US685957A/en

https://www.ancient-code.com/a-13-ye...vice-costs-15/

Has anyone experimented with building something like this? I wonder how large of a device would be needed to harvest 500 watts(~40A) of energy for charging my battery bank.
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