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Alexander Graham Bell

Published on Nov 21, 2015

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PRESENTATION OUTLINE

ALEXANDER GRAHAM BELL

By:Leslie Cervantes

He was born in March 3,1847 in England,United kingdom.

In 1879,at the age of 29 Alexander invented the telephone.Remarkably, he only worked on his invention because he misunderstood at technology work he had read in German.His misunderstanding ultimately led to his discovery of how speech could be transmitted electrically.

He invented the telephone in 1879

He also invented the graphophone.

And he also invented the twisted pair.

His research on hearing and speech further led him to expirement with hearing devices witch eventually culminated in bell being awarded the first u.s. Patent for the telephone in 1876.

It is entertaining for people all around the world.Everyone loves using their phone and some want to have a phone.All of Alexander's inventions helped the world a lot.

In August 2,1922 in Beinn Bhreagh,Nava Scotia,Canada Alexander died.