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Principle of the telephone was uncovered
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Period: to
History of the Telephone
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Alexander Bell invents the telephone, beating Elisha Gray by a matter of hours
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The Very first Permenent telephone wire was completed
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You can now call other people rather then having a direct line
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Subscribers when given designated numbers rather then names
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during the 1880's Long distance lines were invented which abled people to call others further then 1 mile away
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First coin operated telephone was built
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'French Phone' had a transmitter and reciever in a simple handset
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It was apparent that 10 million Bell Telephones were in service and working
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The Telephone wires were improved to have a third person in one call, it also made it more easy for FBI and Police to hack into phones
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The worlds first Commercial Mobie Phone was Constructed and was serviced using radio-waves