Identifier: mastersofspacemo00towe (find matches)
Title: 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;
Year: 1917 (1910s)
Authors: Towers, Walter Kellogg, 1888-
Subjects: 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
Publisher: New York, London, Harper & brothers
Contributing Library: The Library of Congress
Digitizing Sponsor: The Library of Congress

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BIRTH OF THE TELEPHONE in the human ear. This was stretched tightto form a sort of drum, and an armature ofmagnetized iron was fastened to its middle.Thus the bit of iron was free to vibrate, andopposite it was an electro-magnet throughwhich flowed the current that passed over theline. This acted as the receiver. At theother end of the wire was a sort of crudeharmonica with a clock spring, reed, and mag-net. Bell and Watson had been workingupon their crude apparatus for months, andfinally, on June 2d, sounds were actuallytransmitted. Bell was afire with enthusiasm;the first great step had been taken. Theelectric current had carried sound-vibrationsalong the wire and had reproduced them.If this could be done a telephone whichwould reproduce whole words and sentencescould be attained. So great was Bells enthusiasm over thisachievement that he succeeded in convincingSanders and Hubbard that his idea waspractical, and they at last agreed to financehim in his further experiments with the t

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