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Inventions of the great war (1919)

Bond, A. Russell (Alexander Russell), 1876- · New York, The Century co. · leaf 248

An illustration from Inventions of the great war, 1919, leaf 248
re wasmuch interference from other high-poweredstations. Nevertheless, the experiment provedperfectly successful, and conversation was car-ried on between our capital and that of France,a distance of thirty-six hundred miles. At thesame time, an operator in Honolulu, forty-fivehundred miles away,… … (C) G. V. Buck Radio Head-gear of an Airman

Inventions

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