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 80
ons of dots anddashes were used to represent letters insteadof numbers in a code was now devised. Vailrecognized the importance of having the sim-plest combinations of dots and dashes standfor the most used letters, as this would in-crease the speed of sending. He began tofigure out for himself the… … Photo by Claudy. MORSES FIRST TELEGRAPH INSTRUMENT A pen was attached to the pendulum and drawn across the strip of paper by theaction of the electro-magnet. The lead type shown in the lower right-hand corner wasused in making electrical contact when sending a message. The modern instrumentshown in…
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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