Alexander Graham Bell
20.56 | Author: Klana

Alexander Graham Bell (1847-1922) was a U.S. inventor and teacher for the deaf, and he is known as the inventor of the telephone.

Born on March 3, 1847, Edinburgh, Scotland

School at the University of Edinburgh and London. 


In 1870, moved to Canada and moved to America in 1871. In the United States he began teaching deaf and dumb people, popularizing the system is called a 'visual language'. System developed by his father, Alexander Melville Bell, who showed how the lips, tongue, and throat are used to describe the sound.

In his childhood, he had been showing curiosity was greater in this world, which led him often to collect plant samples. Together with his best friend who has a grain mill which is also a neighbor, he often made ​​a fuss, and one day his father said, "Why do not you make something more useful?" When Alexander Graham Bell said, what needs to be done. And his best friend's father told me that wheat must be separated with the skin. At the age of 12 years, Alexander made ​​a simple device that combines a rotating paddle brush with a series of nails to separate the wheat with the skin. The equipment can operate properly for years, and as a 'reward', his father gives them the opportunity to play in a small workshop to create a 'new discovery'.

Since the age of 18 years, Bell has been researching the idea of ​​how to send and transfer words. In 1874 when he was working telegraph, he developed the idea of ​​a new foundation for the telephone. The experiments were done with his assistant Thomas Watson finally proved successful on March 10, 1876. A series of demonstrations using telephone, the telephone has been introduced throughout the world and led by the company, the Bell Telephone Company in 1877.

Source: children's story

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2 komentar:

On 19 Januari 2009 pukul 22.30 , Anonim mengatakan...

infonya mak nyussss

 
On 20 Januari 2009 pukul 14.20 , Klana mengatakan...

ahaha,,baru belajare nihh,,alhasil isinya jadi campur-campur gini kaya goda-gado