Alexander Graham Bell's binvention (bio-invention)

He was a good man.


Biography of Bell

Alexander Graham Bell was born on March 3, 1847, in Edinburgh, Scotland. His education was largely received through many experiments in sound and the furthering of his father’s work on Visible Speech for the deaf. Bell worked with Thomas Watson on the design and patent of the first practical telephone. In all, Bell held 18 patents in his name alone and 12 that he shared with collaborators. He died in 1922


HIs invention the TELEPHONE

The telephone was a miracle that changed the world.It was created by Alexander Graham Bell.In the 1870s, one inventor named Alexander Graham Bell  independently designed a device that could transmit speech electrically (the telephone).The telegraph and telephone are both wire-based electrical systems, and Alexander Graham Bell's success with the telephone came as a direct result of his attempts to improve the telegraph.It is so important!Here's a task go 1 month without using a telephone,phone,ipod,etc.When Bell began experimenting with electrical signals, the telegraph had been an established means of communication for some 30 years.


Materials

  • You need the fowllowing to make his invention.
  • metal,wire,elecrtic energy,etc.

REFERENCES

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