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Great Moments in Communications

Great Moments in Communications. 45,000 BC. Neanderthal man carves a picture on a woolly mammoth tooth. . 3,500 BC. Sumerians record pictographs representing words on clay tablets. . 1450. Johann gutenburg invents a printing press using movable metal type. 1792.

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Great Moments in Communications

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  1. Great Moments in Communications

  2. 45,000 BC Neanderthal man carves a picture on a woolly mammoth tooth.

  3. 3,500 BC • Sumerians record pictographs representing words on clay tablets.

  4. 1450 • Johann gutenburg invents a printing press using movable metal type.

  5. 1792 • Mechanical semaphore is invented in france.

  6. 1924 • Pictures are transmitted over telephone lines.

  7. 1972 • The first E-mail messages are sent.

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