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Elmer Hugh Lewis

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Lewis, Elmer Hugh, 1889-

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The A B C Of Vacuum Tubes In Radio Reception; An Elementary And Practical Book On The Theory And Operation Of Vacuum Tubes As Detectors And Amplifiers. Explains Non-mathematically The Fundamental Principles Upon Which All Vacuum Tube Circuits Are Based. I

The A B C Of Vacuum Tubes In Radio Reception; An Elementary And Practical Book On The Theory And Operation Of Vacuum Tubes As Detectors And Amplifiers. Explains Non-mathematically The Fundamental Principles Upon Which All Vacuum Tube Circuits Are Based. I