Images (3)

The Telephone

By Oihane.08
  • The Telegraph

    The Telegraph

    The Telegraph was invented in 1793, and signals were first sent along wires. The invention of the telegraph inspired inventors to try and send not just signals but the human voice along the wire.
  • The first telephone

    The first telephone

    Bell's first telephone had one combined mouthpiece and earpiece. When yo spoke into the horn, the voice was converted into electric signals which were carried along telephon wires. Bell's firts word on the telephone were to his assistant. "Mr Watson, come here, I need you"
  • Thomas Edison telephone

    Thomas Edison telephone

    Soon afterwards, in 1879, Thomas Edison made a telephon with a separate mouthpiece and earpiece.
  • The first dial phone

    The first dial phone

    The first dial phone was invented in 1896. This telephone were popular in Europe and the USA
  • The mobil phone

    The mobil phone

    The mobil phone was invented in 1979 at the Bell Telephone Laboratories in USA