Phones

By JamesCookJMC3
  • Johann Philipp Reis prototype phone

    Johann Philipp Reis prototype phone

    he constructed prototype 'make-and-break' telephones, today called Reis telephone.
  • Antonio Santi Giuseppe Meuccis device

    Antonio Santi Giuseppe Meuccis device

    He made a telephone like device but there was no remark of transmission of electromagnetic sound waves.
  • Tivadar Puskás switchboard exchange

    Tivadar Puskás switchboard exchange

    He made the first switchboard exchange. as many as 64 customers could connect but only two could speak at a time
  • Elisha Grays Micro telephone

    Elisha Grays Micro telephone

    Elisha gray invents a telephone that uses liquid to transmit sound but does not produce it.
  • Alexander Graham Bell invents the first phone

    Alexander Graham Bell invents the first phone

    He made sound transmittable through electricity. His patent was made in 1876 and he had to fight to take the name of the sole creator.
  • model 302 telephone

    model 302 telephone

    first desk set telephone in the united states. it was also for U.S. service.
  • First Mobile phone

    First Mobile phone

    Martin Cooper of Motorola made the first publicized handheld mobile phone call on a prototype DynaTAC model