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As American businessmen and inventors who made many important devices also. "Wizards of Menlo Park" is one of the leading principles of mass production and the process of invention and application integration
.Thomas Edison is often mistaken as an invented light bulbs, but in fact he is the first person to patent the invention of the light bulb from the more than 20 scientists who invented light bulbs and can be made into a business. (General Electric), large appliances in the world, and founded several companies in the electrical. One of Edison's electric chair was invented for the prisoner.
.Edison continues to be an important person in the war, electricity (War of Currents) by Edison tried to push the company's DC system against AC electrical system of the George Westin ngahao (George Westinghouse).
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