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Robert Hooke created an acoustic string telephone that convey sound over a taut extended wire by mechanical vibrations.
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The First Telephone Switchboard was Installed.
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Opening of telephone service between New York and Boston (235 miles)
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The Candle Stick Telephone
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The first rotary dial telephones in the Bell System
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First telephone call around the world by wire and radio
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Al Gross patented the first pager.
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Bell Labs developed the electronics for cellular phones
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GPS technology appeared for the first time in a cellphone
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The iPhone 15 Announcement.