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Source Alexander convinced his father in law to give him money to progress in his work. He recieved the money and progressed farther.
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Source Alexander Graham Bell and Elisha Gray were both rushing to get the telephone pantented. Alexander got his device pantented first. That is why we know him as the inventor of the telephone.
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Sources Alexander was about to realize that the goal of creating a device that could transmit speech was about to be realized. He only needed a better transmitter.
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Sources Alexander could hear a sound over a wire. The sound was a twanging clock spring.
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Source Alexander spoke through the telephone to his assistant. He said, "Mr. Watson, come here, I want to see you."
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Source Leroy Firmin recieved the first patent for a telephone switchboard. This was the beginning of long distance telephone.
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Source A team including Alton Dickieson and D. Mitchell worked more than a decade to make a carohone. A driver in St. Louis made history by making the first call.
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Source G.L Pearson, C.S. Fuller, and D.M. Chapin got strips of sillicon and captured the free electrons and turned them into electrical current. This was the first solar battery.
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Source The picture phone was created. At first it was crude. Even when it was better, people didn't like it because it was too bulky.
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Source HMIHY System lets you respond to the question, "How may I help you?" It send you to the right personell depending on what you said.
