Title: The radio amateur's hand book
Subjects: Amateur radio, Electronics, Electronic circuits, Electronic circuit design, Radio circuits, Shortwave radio, Radio, Receivers and reception, Radio frequency, Telecommunication, Telecommunication systems, Transmitters and transmission, Modulation (Electronics), Radio frequency modulation, Radio detectors, Design and construction, Analog electronic systems, Amateurs' manuals, Handbooks, manuals, Electric Oscillators, Frequency synthesizers, Communication Engineering, Radio, amateurs' manuals