In the 1910s and 1920s, Harry Perrigo of Kansas City, a graduate of MIT, claimed development of a free energy device. Perrigo claimed the energy source was "from thin air" or from ether waves. He demonstrated the device before the U.S. Congress on December 15, 1917. Perrigo had a pending application (filed December 31, 1925; Serial Number 78,719) for the "Improvement in Method and Apparatus for Accumulating and Transforming Ether Electric Energy". Wikipedia
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