Thomas Alva Edison Thomas Alva Edison was one of the greatest inventors. He was a smart man. Thomas invented many things such as the light bulb and phonograph. Without the light bulb we would still be using candles and lanterns like they did many years ago. Although Thomas was deaf he worked hard and never gave up. Thomas Alva Edison was born on February 11, 1847 in Milan, Ohio. He had many family members. He had a father named Samuel Odgen Edison and a mother named Nancy Elliott Edison. Thomas' mother pulled him from school because Thomas' teacher called him a "retard." Nancy Edison taught her son at home. Thomas has six siblings and he was the youngest child in the Edison family. Thomas was interested in many things as a child. At age twelve Thomas got a job at the Grand Trunk Railroad. While working at Grand Trunk Railroad Thomas was a typesetter, press operator, editor, and publisher of his very own newspaper called the "Herald." Thomas got his news for his newspaper from telegraphers at other train stations. Thomas liked many things, but mathematics was not one of them. He enjoyed reading books about science and philosophy. His favorite book ever was Isaac Newtown's Principia Mathematica. Thomas was interested in inventing the light bulb. Thomas was a scientist as a kid. He like to test many things. When he was young he built a laboratory in the family's basement. Thomas did experiments he found in science books and got jars and chemicals for experiments from local shopkeepers. Thomas also used a spare train car for another laboratory. Thomas studied books on mechanics, manufacturing, and chemistry at the public library. He spent a long time studying Newtown's Principles. He also read lots of books such as Gibbon's Decline and Fall of the Roman Empire, Hume's History of England, Sear's History of the World, Burton's Anatomy of Melancholy, and The Dictoinaries of Sciences. Thomas Edison invented the light bulb. In October of 1879 Edison patented his incandescent lamp. Edison and his team made a new vacuum pump to make better vacuums in glass light bulbs. It was better known as the "glow bulb." Thomas' second attempt at the glow bulb successfully lit for forty hours. On New Year's Eve Edison lit up Menlo Park with thirty glow bulbs. Electricity would replace gas for lighting purposes. The light bulb gives off light so that we can see with out lanterns and candles. The Edison Lamp Company produced 1,000 light bulbs a day. It has improved since it's original version. In 1880, Edison invented the incandescent lamp. In the year 1910, Tungsten filament was discovered giving off white light instead of yellow light. In 1925, lamps were given an inside frosting that had a fine spray of hydrofluoric acid. In the late 19th century, florescent lamps were invented. They are tubes filled with low-pressure neon gas. Thomas Edison invented many things we still used today. I think the light bulb was the greatest invention because it is hard to see with out light bulbs. Without the light bulb we would not be able to have night ball games or light shows. It is a good thing Thomas Edison invented the light bulb. Bibliography 1. "Edison, Thomas." Compton's Encylopedia. 1990 ed. vol. 7, p.72-76 2. Ellis, Keith. Thomas Edison, Genius of Electricity. Great Britain: Priory Press Limited, 1974 3. Parker, Steve. Thomas Edison and Electricity. Great Britain: Belitha Press Limited, 1992 Word Count: 541
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