miércoles, 26 de noviembre de 2008

Tomas Alva Edison biography

1 comentario:

Deisa Gómez dijo...

American inventor who invented the electronic bulb.
He went to the school for short time and when he was A boy he began to work and to do experiments in his free time . Edison developed hearing problems at an early age. The cause of his deafness has been attributed to a fever during HIS childhood and recurring untreated ear infections.
Then, he worked in the company of telegraphs, he made big improvements in the appliances and in the services of company, with the sale of telegraphic accessories, Edison won 40000 dollars, with that money he began his own laboratory in 1876.
He is credited with numerous inventions that contributed to mass communication and in particular, telecommunications.
In 1877 he invented a Phonograph and a recorder. In 1928 he received the medal of Gold of the Congress of Unites States “for the development and the application of inventions that have revolutionized the civilization in the last century”. Edison died on October 18, 1931 in West Orange, New Jersey.

VERY GOOD BIOGRAPHY! CORRECT SOME MISTAKES