Masters of space: Morse and the telegraph; Thompson and the cable; Bell and the telephone; Marconi and the wireless telegraph; Carty and the wireless telephone; (1917)
Towers, Walter Kellogg, 1888- · New York, London, Harper & brothers · leaf 220
g and receiving instrumentswhich were then available, using plates of tinfor his aerials. He set up a simple spark-gap,as had Hertz, and used a receiving devicelittle more elaborate. A Morse telegraph-keywas placed in circuit with the spark-gap.When the key was held down for a longerperiod a long… … Copyright oy Brown Brothers. GUGLIEI.MO MARCONIPhotographed in uniform as an officer of the Italian army AN ITALIAN BOYS WORK ment Marconi was able to send a messageacross the garden. Others had accomplishedthis for similar distances, but they lackedMarconis imagination and persistence, andfailed…
Morse, Samuel Finley Breese, 1791-1872 · Kelvin, William Thomson, Baron, 1824-1907 · Bell, Alexander Graham, 1847-1922 · Marconi, Guglielmo, marchese, 1874-1937 · Carty, John J. (John Joseph), 1861-1932 · Telegraph · Telegraph, Wireless · Telephone · Radio
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