The History of the TelephoneA. C. McClurg & Company, 1910 - 315 páginas |
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Palavras e frases frequentes
ALEXANDER GRAHAM BELL American apparatus arrived became become Bell Company Bell group Bell patents Bell System Bell Telephone Bell's Boston built cable called capital carried Carty cent Centennial Chicago conversation copper wire cost deaf-mutes disc dozen efficiency elec Elisha Gray experience factory farmer fifty five hundred four girl Gray human voice idea invention iron lawyers long-distance Lord Kelvin machine messages miles million dollars months Morse musical telegraph ness never operator organized original inventor pany poles post office professor railroad railway Reis scientists Scribner square miles streets strung switchboard talk tele telephone business telephone companies telephone engineer telephone exchange telephone service Theodore Theodore N Theodore Vail thing thirty Thomas thousand dollars thousand telephones tiny tions to-day transmitter twenty United users Vail Vail's vibrations Visible Speech Western Electric Western Union York young
Passagens conhecidas
Página 105 - The method of, and apparatus for, transmitting vocal or other sounds telegraphically, as herein described, by causing electrical undulations, similar in form to the vibrations of the air accompanying the said vocal or other sounds, substantially as set forth.
Página 176 - Company formed in 1885 which certified that "the general route of lines of this association . . . will connect one or more points in each and every city, town or place in the State of New York with one or more points in each and every other city, town or place in said state, and in each and every other of the United States, and in Canada and Mexico; and each and every other of...
Página 96 - All recognized the fact that the " minor differences in the original vibrations" had not been satisfactorily reproduced ; but they attributed it to the imperfect mechanism of the apparatus used, rather than to any fault in the principle on which the operation was made to depend. It was left for Bell to discover that the failure was due not to workmanship, but to the principle which was adopted as the basis of what had to be done. He found that what he called the " intermittent" current — one caused...
Página 150 - In a similar manner, it is conceivable that cables of telephone wires could be laid underground, or suspended overhead, communicating by branch wires with private dwellings, country houses, shops, manufactories, etc., etc., uniting them through the main cable with a central office where the wire could be connected as desired, establishing direct communication between any two places in the city.
Página 53 - That no expense is required, either for its operation, maintenance, or repair. It needs no battery and has no complicated machinery. It is unsurpassed for economy and simplicity.
Página 172 - Tell our agents that we have a proposition on foot to connect the different cities for the purpose of personal communication, and in other ways to organize a grand telephonic system.
Página 27 - Mr. Watson, come here; I want you." Watson, who was at the lower end of the wire, in the basement, dropped the receiver and rushed with wild joy up three flights of stairs to tell the glad tidings to Bell. "I can hear you!
Página 75 - Thousands of telephones are now in operation in all parts of the country," he said, "yet I have not yet received one cent from my invention. On the contrary, I am largely out of pocket by my researches, as the mere value of the profession that I have sacrificed during my three years' work, amounts to twelve thousand dollars.
Página 39 - CHICAGO room to the other, and while Bell went to the transmitter, Dom Pedro took up the receiver and placed it to his ear. It was a moment of tense expectancy. No one knew clearly what was about to happen, when the Emperor, with a dramatic gesture, raised his head from the receiver and exclaimed with a look of utter amazement: "My God — it talks!
Página 23 - Bell would often awaken me in the middle of the night, his black eyes blazing with excitement. Leaving me to go down to the cellar, he would rush wildly to the barn and begin to send me signals along his experimental wires. If I noticed any improvement in his apparatus he would be delighted. He would leap and whirl around in one of his 'war dances,' and then go contentedly to bed. But if .the experiment was a failure he would go back to his work-bench to try some different plan.