David cameron 2009 speech 003

Communication in HIstory

By erniesalazar637@gmail.com
  • 100

    Speech

    Speech
    Speech has been alive and active since the beginnig of time, it has been used for communication for many centries.
  • Jan 1, 1440

    Printing Press

    Printing Press
    The Print Press was invented by Johann Gutenburg, This piece of machinery was used to speed the process the production of book printing.

  • Sign Language

    Sign Language
    invented by Juan Pablo De Bonet, he wrote the firt book tha was based on sign lauguage. He had also said that hearing was not necessary to be able to communicate.

  • Type Writer

    Type Writer
    invented by Henry MillI, invented and used to for mass production of printing books, the ink was oil-based

  • Telegraph

    Telegraph
    The Telegraph was invented by Joseph Henry then used to communicate within the military basses.

  • Alphabet

    Alphabet
    the alphabet was create b.c. and only consisted of 22 letters later on in history as time passed it was developed to help communicate better

  • skype

    skype
    in the 20th centry the internet calling was invented so that communication could be made all around the world with no cost