LIBROS DEL AUTOR: ivor hughes

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  • Before We Went Wireless
    David Evans / Ivor Hughes
    This is the first biography of the brilliant inventor and practical experimenter, British-born David Edward Hughes. A contemporary of Edison and Bell, Hughes made major contributions in the fields of telegraphy, telephony, metal detection, and audiology. His printing telegraph, adopted across much of Europe, made him a fortune. Hughes sent and received wireless signals in 1879,...
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