Abstract
To every radio engineer who desires to learn the latest practical advances made in radio communication in France we can recommend this book. The historical introduction is not very good and has perhaps a national bias, while the theoretical chapter is too sketchy to be of use to any one but an expert. But the chapters describing practical applications, radio communication during the War, and the French radio stations, contain much novel matter. France has built the two most powerful stations in the world, Melun and Croix-d'Hins. The radio centre at Sainte-Assise is perhaps the most perfectly organised. Methods of using radio waves for discovering masses of metal near the surface of the earth are described. Many of the important radiograms issued during the War are now published for the first time, and the conversations between the Eiffel Tower and Nauen will be instructive to the future historian. The radiograms issued just before the Armistice are highly dramatic.
La télégraphie sans fit: ses applications en temps de paix et pendant la guerre.
Par Julien Verdier. Pp. viii + 412. (Paris: Gauthier-Villars et Cie, 1924.) 3s francs.
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La télégraphie sans fit: ses applications en temps de paix et pendant la guerre. Nature 114, 241 (1924). https://doi.org/10.1038/114241a0
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DOI: https://doi.org/10.1038/114241a0