Telephone

By blancabarcelona
  • The telephone was created

    The telephone was created

    Alexander Graham Bell patented the telephone. He said that the telephone was a "talking telegraph". Millions of people were able to communicate in just a few years.
  • First Rotary Handset Telephone

    First Rotary Handset Telephone

    It was the first telephone that could dial. Lots of people were able to use it because it was a little bit cheaper than the previous models.
  • The first Mobile Phone

    The first Mobile Phone

    It was invented by Martin Cooper. People could use it for 35 minutes and the battery needed to be charged 10 hours. Even so, it was an incredible invention for those times.
  • First Smartphone

    First Smartphone

    IBM intenved it. The Smartphone had touch screen, camera and you could text someone.

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