radio craft magazine november 1944 - the magnetic motor (felix ehrenhaft) - pages 78-79 (hq)
DESCRIPTION
Radio Craft Magazine November 1944 - The Magnetic Motor (Felix Ehrenhaft) - pages 78-79 (HQ)TRANSCRIPT
DESCRIPTION
Radio Craft Magazine November 1944 - The Magnetic Motor (Felix Ehrenhaft) - pages 78-79 (HQ)TRANSCRIPT