Phillips Vivian J. Early Radio Wave Detectors

London; New York: Peter Peregrinus Ltd. in association with the Science Museum; The Institution of Electrical Engineers, 1980. — 223 p.The book is devoted to the history of the early development of radio engineering (late 19th - early 20th century). It describes the means of detecting electromagnetic oscillations and waves used at that time: spark gaps, coherers, magnetic detectors, and other devices of the period of the origin of radio engineering.