Magazines, Volume 4Volume 4, Number 5April 18, 2023May 22, 2023By Libby0 comments0 likes View Fullscreen On the Cover The “Liberty Valve” as once sold by the Radio Apparatus Co. of Pottstown, Pa In this issue Some Historic British Tubes Magnatron DC-112 Early German Radar Transmitting Technology TCA Board Meeting, Aug. 27 TCA Member Meeting, Aug. 27 “Forgotte” Tube Pins Bendix “Red Bank” Tubes
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