1895-03 | A typical wireless telegraphy installation aboard … | Flickr
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Apparatus used for transit of first transmission - Marconi's wireless telegraph company - Marchese Guglielmo Marconi (25 April 1874 - 20 July 1937) was an Italian inventor of mixed Italian and Scottish-Irish
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Practical wireless telegraphy; a complete text book for students of radio communication . of wave length. That is, the primary winding is divided into four groups whichare cut into the circuit
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Wireless Telegraphy - Engineering and Technology History Wiki
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