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An excellent introduction to wireless waves.
With chapters on inter alia: Hertz Discovers Wireless Waves; Marconi Bridges the Atlantic; A Mirror in the Sky, Exploring the Ionosphere; Radar in War and Peace; and Radio Astronomy. With black and white photographs, drawings and diagrams.
First published 1958 by Hulton Educational Publications, London. Condition: Fair to good. Foxing on first and last pages. Cover has slight markings.