Text: "Ruckblick und ausblick." This is the first edition. Revised editions were published in 1982 and 1983. In Nieper, Hans A., Revolution in Technik, medizin, gesellschaft.. D-3000 Hannover 68, Federal Republic of Germany: Illmer-Verlag, 1981. p. 60-67.

See Also: free energy, free energy devices, homopolar generators, N-machine.

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