Thomas Edison

The Inventor who was lit up the world

About Thomas Edison


Thomas Edison was born on February 11, 1847 in Milan , Ohio , and grew up in Michigan. Edison began his career as an inventor in Newark , New Jersey. The first invention that brought Edison publication was "fonograf " In 1877 , in fact it was the first practical device for recording and playback of sound. Edison was died October 18, 1931 when he was 84 years old.

The Bulb

The bulb is lighting means using electricity . Her invention has changed the agenda of modern man , relieved him of his activities and helped him mostly in the dark at night . Electrical circuit diagram of the light bulb is represented by a circle inside X.