At Edison's three laboratories (Newark, Menlo Park and West Orange), his "muckers" worked night and day on his many ideas. Other patents included the alkaline storage battery, improvements to the telegraph, the telephone and the stock ticker, Portland cement and even a substitute for rubber. But even these top three inventions were not enough for him. If Edison had only invented one of these, he would have made an important contribution to the world. Methods: A review of published urologic writings about incandescent. Although best known as the inventor of the electric light bulb, the phonograph, and motion pictures, he also left a lasting legacy via peripheral developmental applications, such as endoscopes. These three inventions are considered Edison's greatest: the electric light system, the phonograph and motion pictures. Abstract Background and Purpose: Thomas Alva Edison was an icon of American achievement who literally invented the 20th century. No wonder Edison said, "Genius is one percent inspiration and ninety-nine percent perspiration!" That is why each of the inventions below took years of hard work. How do you make a filament for the light bulb? What machine can make enough electric power to light up all those bulbs? How do you get electric power to all those light bulbs out there? All these questions have to be answered all these things have to be invented. Edison earned 1,093 United States patents for his inventions. What were Thomas Edison's top three inventions? The question is harder than you might think. Thomas Edison with his motion picture projector in the library.
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