Technology over time with phones

By allyoldenkamp
  • Alexander Graham Bell made the first phone call ever on the very first telephone.

    Alexander Graham Bell made the first phone call ever on the very first telephone.

  • Bell makes the world's first ever long-distance telephone call. It was over a distance of 6 miles. Between Brantford and Paris, Ontario, Canada.

    Bell makes the world's first ever long-distance telephone call. It was over a distance of 6 miles. Between Brantford and Paris, Ontario, Canada.

  • Bell makes the first two-way long-distance telephone call between Cambridge and Boston, Massachusetts.

    Bell makes the first two-way long-distance telephone call between Cambridge and Boston, Massachusetts.

  • Emile Berliner invents a microphone based on "loose contact" between two metal electrodes

    Emile Berliner invents a microphone based on "loose contact" between two metal electrodes

  • The first commercial telephone company enters telephone business in Friedrichsberg close to Berlin using the Siemens pipe as ringer

    The first commercial telephone company enters telephone business in Friedrichsberg close to Berlin using the Siemens pipe as ringer

  • The first commercial North American telephone exchange is opened in New Haven, Connecticut.

    The first commercial North American telephone exchange is opened in New Haven, Connecticut.

  • The Bell Telephone Company is near bankruptcy and desperate to get a transmitter to equal Edison's carbon transmitter.

    The Bell Telephone Company is near bankruptcy and desperate to get a transmitter to equal Edison's carbon transmitter.

  • First transmission of speech across the Atlantic Ocean by radiotelephone from Arlington, Va. to Paris, France.

    First transmission of speech across the Atlantic Ocean by radiotelephone from Arlington, Va. to Paris, France.