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Oct 15, 2024 · His inventions included the phonograph, the carbon-button transmitter for the telephone speaker and microphone, the incandescent lamp, the first commercial electric light and power system, an experimental electric railroad, and key elements of motion-picture equipment.
He assisted in experiments on the telephone, phonograph, electric railway, iron ore separator, electric lighting, and other developing inventions. However, Hammer worked primarily on the incandescent electric lamp and was put in charge of tests and records on that device. In 1880, he was appointed chief engineer of the Edison Lamp Works.
Nov 9, 2009 · Thomas Edison was a prolific inventor and savvy businessman who acquired a record number of 1,093 patents (singly or jointly) and was the driving force behind such innovations as the...
Apr 2, 2014 · Thomas Edison is credited with inventions such as the first practical incandescent light bulb and the phonograph. He held over 1,000 patents for his inventions.
Born Feb. 11, 1847 - Died Oct. 18, 1931. One of the outstanding geniuses in the history of technology, Thomas Edison earned patents for over a thousand inventions, including the incandescent electric lamp, the phonograph, the carbon transmitter, and the motion picture projector.
Jul 21, 2010 · Edison set aside this invention in 1878 to work on the incandescent light bulb, and other inventors moved forward to improve on the phonograph. In 1887, Edison resumed work on the device, using...
Everyone thinks of light bulbs when they hear Thomas Alva Edison's name. His creative genius, though, came through in his numerous other inventions, from the electrical power system and the phonograph that could record and play back sound, to motion picture technology and storage batteries (he believed in electric cars!).
