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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. Includes practical circuits and practical questions and answers. It is written especially for the beginner. All electrical and radio terms are fully explained (1922)

Lewis, Elmer Hugh, 1889- · New York, Norman W. Henley Pub. Co. · leaf 107

An illustration from 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. Includes practical circuits and practical questions and answers. It is written especially for the beginner. All electrical and radio terms are fully explained, 1922, leaf 107
fn9 s GridVariometer VariableAntennaInduct PlateVariometer Audio Freq. Coupling ^Transformers VariableTuningCondenser … Ground Plate Battery Fig. 47—Suggestion for Short Wave Regenerative Receiver and Two Stage Audio-frequency Amplifier. on an extremely weak signal which could not possibly beheard with a detector and audio-frequency amplifier alone. Distortion can be avoided even in such a complicated ampli-fier…

Vacuum-tubes · Radio

Internet Archive · Boston College Libraries · Public Domain Mark 1.0. Free to use for anything.

More pictures from 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. Includes practical circuits and practical questions and answers. It is written especially for the beginner. All electrical and radio terms are fully explained

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