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the first phone
[https://en.wikipedia.org/wiki/Invention_of_the_telephone]
Alexander Graham Bell is commonly credited as the inventor of the first practical telephone. -
how they first phone was made
[http://www.madehow.com/Volume-5/Telephone.html]
He and his assistant, Thomas Watson, were working on a harmonic telegraph. When a reed stuck on Watson's transmitter an intermittent current was converted to a continuous current. Bell was able to hear the sound on his receiver confirming his belief that sound could be transmitted and reconverted through an electric wire by using a continuous electric current. -
the first words on a phone call
[https://en.wikipedia.org/wiki/Invention_of_the_telephone]
They were spoken by Alexander Graham Bell, inventor of the telephone, when he made the first call on March 10, 1876, to his assistant, Thomas Watson: "Mr. Watson--come here--I want to see you." -
the next phone
[www.softschools.com/timelines/cell_phone_timeline/28/] Dr. Martin Cooper invented a portable hand-held phone that didn't need to be powered through a car. He was the first person to make a mobile phone call. the phone in the pic is not actually the seconed phone -
other phones
there are many types phones that have changed history.like rotory. -
2000's phones
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