THE HISTORY OF TELEPHONES

By mohamedeh@escolacastelldecaalaell.com
  • TELEGRAM

    TELEGRAM

    The telegrams create in the 1837. The telegram were messages transmitted through an elecrtic device. Seding a telegram via Morse Code.
  • THE FIRST TELEPHONE CALL

    THE FIRST TELEPHONE CALL

    Alexander Graham is the creator from this telephone. He's create in 1876.
    This telephone was used for long-distance call.
    He has create it to communicate with his friend in the room.
  • The Telephone from Dr.Martin

    The Telephone from Dr.Martin

    Dr.Martin was inventor from the USA. The mobile phone was 25 centimeters long and in weighted more than one kilo.
  • THE FIRST TELEPHONE INTERNACIONAL

    THE FIRST TELEPHONE INTERNACIONAL

    He create in 1973 the first telephone internacional.
  • THE FIRST TELEPHONE TOUCHSCREEN

    THE FIRST TELEPHONE TOUCHSCREEN

    In the 90s (1900) IMB one company, invented the first telephone touchscreen. The people talked on the tis phone, emails and messages. And his a basic apps, calculator and calendar.
  • Nowadays Telephones

    Nowadays Telephones

    The new telephones are smaller. They have more apps, text messages, play computer games, listen to music and take photos.