Images 1

first telephone

By summerca
  • first telephone

    first telephone

    http://www.ilt.columbia.edu/projects/bluetelephone/html/part8.html
  • recorded transmit speech from the telephone

    recorded transmit speech from the telephone

    http://www.ilt.columbia.edu/projects/bluetelephone/html/part9.html
  • found principle of telephone

    found principle of telephone

    Alexander Graham Bell foud the principle of the telephone
  • Elisha Gray filed a patent caveat

    Elisha Gray filed a patent caveat

    Elisha Gray filed a patent caveat which is something to take away a patent
  • Elisha Gray and Alexander Graham Bell both patented the telephone

    Elisha Gray and Alexander Graham Bell both patented the telephone

    Elisha Gray and Alexander Graham Bell both patented the telephone the smae day but hours before
  • Bell company started

    Bell company started

    Alexander Graham Bell started the Bell company
  • Bell formed into a legal company

    Bell formed into a legal company

    The Bell company formed into a legal company
  • coin operated pay phone

    coin operated pay phone

    William Gray invented the first cion operated pay phone
  • automatic telephone exchange

    automatic telephone exchange

    Almon Strowger invented the first telephone exchange that was automatic.
  • first cell ohone call

    first cell ohone call

    Martin Cooper made the first cell phone call
  • first commercial cellular system

    first commercial cellular system

    Illinios Bell made the first commercial cellular system opened
  • My prediction for future

    My prediction for future

    I think that phones are headed into sunglasses and watches or have something you can see without looking at your phone

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