History of the Telephone

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  • Liquid Transmitter Invented

    Liquid Transmitter Invented

    Elisha Gray invents the Liquid Transmitter for use with a telephone.
  • First Patent Application for Acoustic Telegraphy

    First Patent Application for Acoustic Telegraphy

    Thomas Edison files first patent application for acoustic telegraphy.
  • World’s First Long Distance Telephone Call

    World’s First Long Distance Telephone Call

    Alexander Graham Bell makes the world’s first long distance telephone call, about 6 miles.
  • First Two-Long Way Telephone Call

    First Two-Long Way Telephone Call

    Alexander Graham Bell makes the first two-long way telephone call.
  • Invention by Bell and Tainter

    Invention by Bell and Tainter

    The photophone (radiophone) was invented by Alexander Graham Bell and Charles Sumner Tainter at Bell’s laboratory.
  • .First Wireless Telephone

    .First Wireless Telephone

    World’s first wireless telephone call between Bell and Tainter’s photophone
  • .Opening Telephone Service

    .Opening Telephone Service

    Opening of telephone service between New York and Boston
  • .First Automatic Telephone Exchange

    .First Automatic Telephone Exchange

    Almon Strowger creates the Strowger Switch the first Automatic Telephone Exchange.
  • Opening Telephone Service

    Opening Telephone Service

    Opening of telephone service between New York and Chicago.
  • Strowger Switch Goes Into Operation

    Strowger Switch Goes Into Operation

    The first Strowger Switch goes into operation in LaPorte, Indiana with 75 subscribers and a capacity and 99.
  • Underground Cable

    Underground Cable

    Boston-Washington underground cable commenced commercial service.
  • First Transcontinental Telephone Call

    First Transcontinental Telephone Call

    The first transcontinental telephone call with Thomas Watson in San Francisco receiving a call from Alexander Graham Bell.

  • Sources

    Sources