History
Gokarna Thomas Edison was born in 1847 at the Ohio school teacher USA when he said he could not learn math. So after studying for three months, parents must be removed. The mother was a school teacher and taught to read on her behalf. He read books about chemistry can be obtained. At age 12 years He has worked as a children's train Mercury. Selling newspapers and fruit Edison was hard of hearing because one hit the guard rail ears. Force when he made a chemical spill into the fire in the store. Edison, which is used as office and laboratory science. The accident caused a fire that earned Edison was fired. And unemployment, but the station and impressive ingenuity. His flair for teaching, so when the telegraph. He was 15 years old he worked as a telegraph he had invented. Saver for telegraph year. 1869 at the age of 21 years. Patented his first invention. Later in the year 1878 Edison's invention of the light bulb have been successful. Edison patented his invention over 1200 species. His works, such as the light bulb, the phonograph, tape, etc. Edison worked diligently One night, he slept only 4-5 hours. Only at the end of his life, his health. Deteriorated and passed away in the year. 1931
works
- the inventor of the light bulb
- the inventor of the phonograph
- the inventor of the LP
- the inventor of sound
- the inventor of the camera.
การแปล กรุณารอสักครู่..