Thomas Edison - Ivy Tech -- Faculty Web

Thomas Edison - Ivy Tech -- Faculty Web

Thomas Edison By: Shannon Matuszny EECT 111 Early life Thomas Edison and his family Milan, Ohio Born February 11, 1847 in Milan, Ohio

Inquisitive and wanted to learn on his own Mystery of hatching eggs Escape from drowning Public spanking Port Huron, Michigan Moved to Port Huron by railroad train when seven

Removed from formal schooling at age 12 Realized worth of education Sponsored Edison scholarships First Laboratory At age 11 had a chemical laboratory

Read many books Gibbons Decline and Fall of the Roman Empire The Dictionary of Sciences At age 12 had a job as newsboy and candy butcher

The Weekly Herald Edisons Deafness Tale Caused by trainman who boxed his ears when Edisons traveling laboratory caught fire Truth (Edisons Truth) Caused by trainman who picked him up by the

ears to get him on a train pulling out of the station Edisons Beginnings How Edison got introduced into the world of electricity Train Rescue & Reward Before age 17 Edison risked his life to save a station agents young boy

In return, Edison was taught telegraphy First insight to electricity and the beginning of his studies and experiments Telegrapher Jobs At age 17 became a regular telegrapher on

the Grand Trunk Line in Ontario Creative invention got him fired Device to automatically report in in Morse code every hour Found a job with Western Union in Boston

Ended up in New York poor and in debt Gold and Stock Telegraph Co. Created the Universal Stock Printer Received $40,000 Opened a factory and manufactured stock

tickers At age 23 was established and successful Incandescent Lamp The creation of a commercially viable incandescent electric lamp Light History

Gas lights were prevalent before 1879 Many inventors worked to create incandescent light stemming from electric arc lamp James Prescott Joule Sir Humphrey Davy Edisons Success

Contributing factors Durable incandescent material A better vacuum within the bulb Filament material of high resistance Platinum Carbonized Japanese bamboo Tungsten Critical System Elements Parallel circuit

Durable light bulb Improved dynamo Underground conductor network

Devices for maintaining constant voltage Safety fuses and insulating materials Light sockets with on-off switches Following Inventions

Inventions following the success of the incandescent electric lamp The Edison Effect First application in the field of electronics Phenomenon where an independent wire or plate, when placed between the legs of the

filament in an electric bulb, serves as a valve to control the flow of current Other Inventions Motion picture camera Invented and patented in 1888 Steel alkaline storage battery Improved Edison battery in 1910

Boost to electric car manufacturers Short-lived Rubber U.S. dependent on foreign sources during WWI Made from goldenrod Electric Companies Following Edisons success multiple electric companies were formed

General Electric Edison General Electric was formed in 1889 from various smaller companies Edison never controlled company General Electric was formed after Edison General Electric and leading competitor Thompson-Houston merged

Board of Patent Control Formed by Thomas Edison and George Westinghouse Joint arrangement between GE and the Westinghouse Co. to defend the patents of the two companies in litigation (Venable)

Over 600 lawsuits for patent infringement filed Conclusion Thomas Alva Edisons impact Conclusion Affected life as we know it today

Huge discoveries and improvements Incandescent light bulb Phonograph Motion camera Still remembered today through the existence of General Electric References

Light bulb history - invention of the light bulb. (2007). The Great Idea Finder. Retrieved May 2, 2012, from http://www.ideafinder.com/history/inventions The inventions of Thomas Edison. (n.d.). Inventors. Retrieved May 2, 2012, from http://inventors.about.com/library/inventors

Venable, J. D. (n.d.). A brief biography of Thomas Alva Edison | Thomas Edison Muckers. Thomas Edison Muckers. Retrieved May 2, 2012, from http://www.edisonmuckers.org/thomasedison-biography/

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