Telephone lg

Telephone

By mallorymunson

  • Alexander Graham Bell invents the telegraph.

    Alexander Graham Bell invents the telegraph.
    This is the day he got the invention patented.

  • Radiophone is invented jointly by Alexancer Graham Bell And Charles Sumner Tainter.

    Radiophone is invented jointly by Alexancer Graham Bell And Charles Sumner Tainter.
    The device allowed for the transmission of sound on a beam of light.

  • World's first wireless telephone.

    World's first wireless telephone.
    213 meters away

  • The first rotary dial telephones in the Bell System.

    The first rotary dial telephones in the Bell System.

  • World's first videophone call.

    World's first videophone call.
    from Washington, D.C. to New York City, by then-Commerce Secretary Herbert Hoover.

  • the first publicly available push-button telephone was released

    the first publicly available push-button telephone was released