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Survol historique de l'évolution de la radio sur le plan de la technologie et de la diffusion. Bonne synthèse, à la présentation dense et avec des illustrations abondantes sur papier glacé. [SDM]

Radio --- History --- Histoire --- Radio - Histoire

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Radio --- History --- Histoire --- Orientation professionnelle --- Radio - Histoire --- Radio - Orientation professionnelle

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Much has been written about Faraday and about Marconi, and the history of the development of radio from the time of Marconi, but Gerald Garratt's special interest was in what might be termed the "prehistory" of radio. His book therefore outlines the sequence of development from Faraday's first prediction and concept of the electromagnetic field : Maxwell worked out the mathematics of electromagnetic wave propagation and Hertz demonstrated their physical existence. Lodge identified the need for resonance between transmitter and receiver, leading to Marconi's successful practical application.

Radio --- Telegraph, Wireless --- History.

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Radio --- History --- Congresses --- Congresses.