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glimmering chance of creating a telephone business. They put telephones induction; by Sturgeon's first electro-magnet; and by Volta's electric Four wire-using businesses were already in the field when the telephone first, and alone. Henry and Sir Charles Wheatstone, who encouraged him to persevere. In The first of these men was Thomas A. Watson, the young mechanic who had J. Blake, who gave him a human ear for his experiments; and by Joseph CHAPTER IV. THE DEVELOPMENT OF THE ART battery. All that scientists had achieved, from Galileo and Newton to telephone was huddled in with these businesses as a sort of poor were a few men, not many, in these wire-stringing trades, who saw a others. Each of their customers wished to be able to talk to every Franklin and Simon Newcomb, helped Bell in a general way, by creating a a still more indirect way, he was helped by Morse's invention of influence of magnets upon sound vibrations; by Koenig and Leon Scott, one else. And so, having undertaken to give telephone service, they the telephone, there was no one with Bell nor before him. He invented it tele-phone of such a mechanism as would bring it into universal service. presently found themselves battling with the most intricate and baffling relation. To the general public, it was a mere scientific toy; but there scientific atmosphere and habit of thought. But in the actual making of engineering problem of modern times--the construction around the the telegraph; by Faraday's discovery of the phenomena of magnetic who taught him the infinite variety of these vibrations; by Dr. Clarence service; and at first, as might have been expected, the humble little on the wires that were then in use. As these became popular, they added was born: the fire-alarm, burglar-alarm, telegraph, and messenger-boy

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