When Was The First Telephone Invented . in the 1870s, elisha gray and alexander graham bell independently designed devices that could transmit speech.in 1876, alexander graham bell was the first to be granted a united states patent for a device that produced clearly intelligible replication of the human.
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When Was The First Telephone Invented in 1876, alexander graham bell was the first to be granted a united states patent for a device that produced clearly intelligible replication of the human.in 1876, alexander graham bell was the first to be granted a united states patent for a device that produced clearly intelligible replication of the human. in the 1870s, elisha gray and alexander graham bell independently designed devices that could transmit speech. Who is credited as the inventor of the telephone?
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From wplov.in
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From dp.la
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From www.britannica.com
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From interestingengineering.com
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From www.youtube.com
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