communications

  • books
    100

    books

    first bound books
  • Period: 100 to

    communication

  • printing press
    305

    printing press

    first wooden printing press
  • newspaper
    Jan 2, 1450

    newspaper

    newspapers start to appear in europe
  • sound

    sound

    charles wheatstone reproduces sound in a primitive sound box
  • morse code

    morse code

    samuel morse invents morse code
  • pony express

    pony express

    united states starts the pony express
  • telephone

    telephone

    first telephone answering machines
  • computer

    computer

    computers first sold commercially