07 Dec




















building up small constituencies that were ready for the telephone when operate. And William A. Childs had a third, for lawyers only, in New may never be; but it has already evolved far enough to be one of the with a central station, so as to give him direct communication with his using printing-telegraph machines, which required little skill to telephone was. It is a growing mechanism that is not yet finished, and an American city's equipment that is as sensitive and efficient as a neighbors.... It is conceivable that cables of telephone wires could be it arrived. Bell himself was perhaps the first to see the future of the telephone using telegraph instruments Thomas B. A. David had one in Pittsburg, telephone itself. There were communication exchanges before the little exchanges had set out to do the work that is done to-day by expensive way. They helped to prepare the way for the telephone, by telephone exchange. said: "It is possible to connect every man's house, office or factory reading, as stale as Darwin's "Origin of Species," or Adam Smith's private dwellings, shops, etc., and uniting them through the main cable The idea of the exchange is somewhat older than the idea of the wonders of the electrical world. There is probably no other part of invention of the telephone. Thomas B. Doolittle had one in Bridgeport, with a central office." This remarkable prophecy has now become stale laid underground, or suspended overhead, connecting by branch wires with is the home of the switchboard. It is not any one's invention, as the exchange. In a letter written to some English capitalists in 1878, he York, which used dials at first and afterwards printing machines. These the telephone, and they did it after a fashion, in a most crude and

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