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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 91

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 91
Capacitance The filament, grid and plate of a vacuum tube all have somesurface area and, in operation, have electric charges placed 92 A B C OF VACUUM TUBES upon them. It is not hard to imagine them as being plates ofsmall condensers with the vacuum space between them actingas a dielectric. There… … Knob ^Wire Connecting Stator to RotorFig- 35—Construction of a typical variometer. the grid and the plate and another between the grid and thefilament. In some cases the condenser effect may be con-sidered, as shown in Fig. 36, where a certain amount of capaci-tance is common to both the grid and…

Vacuum-tubes · Radio

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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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