Telephone

Timeline created by Manmbo
  • Concept of the Telephone was born

    Alexander Graham Bell thought about a device that could transmit voice through electrical wires while he was creating the "multiple telegraph".
  • Discovery

    Along his accomplice Thomas Watson, Bell was able to prove that different tones were able to change the strenght of a electrical current.
  • Invention

    While working on the multiple telegraph, Bell was able to hear sound trough a wire and he noticed the potencial of the device. Later this year, he created and patented the telephone.