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Speaking with H. P. Friedrichs, AC7ZL, about his new book “Marvelous Magnetic Machines” and the pleasures of extreme homebrewing.
4.4
9494 ratings
Speaking with H. P. Friedrichs, AC7ZL, about his new book “Marvelous Magnetic Machines” and the pleasures of extreme homebrewing.
122 Listeners
196 Listeners
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