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H eadphone

H eadphone. Alexander graham bell. He was born on march 3,1847 He died on august 2, 1922. It was invented in march 1876 it was invented by Alexander graham bell. It was patented in January 30, 1877. I tell you how the telephone look like it look like a log with a string.

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H eadphone

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  1. Headphone

  2. Alexander graham bell • He was born on march 3,1847 • He died on august 2, 1922

  3. It was invented in march 1876 it was invented by Alexander graham bell • It was patented in January 30, 1877

  4. I tell you how the telephone look like it look like a log with a string. • The phone propose is that it can make you talk to different people from other places and some where far.

  5. was necessity to It help people to talk from other places • It help the people in the industrial Revolution to contact each other from different places in the war

  6. There is a new version of the invention today • It is much thing on it , it is much better • it is much better than the old one, they have wireless telephone in the world now it have improved.

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