Thomas Edison made more than a thousand inventions, including the incandescent electric lamp, the phonograph, the carbon telephone transmitter, and the motion-picture projector. He also created the world's first industrial research laboratory. He was born in Milan, Ohio. By the time he was ten he had set up a small chemical laboratory in the cellar of his home after his mother got him interested in physical science book. He found the study of chemistry and …showed first 75 words of 657 total…

…showed last 75 words of 657 total…motion-picture cameras and projectors. During World War I, the old inventor led the Naval Consulting Board and directed research in torpedo mechanisms and antisubmarine devices. It was due to the fact that Congress established the Naval Research Laboratory the first institution for military research, in 1920. Throughout his career, Edison built devices that could useful and become popular and regularly used. Edison spent his life designing projects that would increase the convenience and pleasure of mankind.