Thomas Alva Edison exerted a tremendous influence on modern life, contributing inventions such as the incandescent light bulb, the phonograph, and the motion picture camera, as well as improving the telegraph and the telephone.
What was Thomas Alva Edison's Major invention?
The phonograph and the first usable incandescent light bulb were both created by Thomas Edison. Edison created the phonograph, a device for recording sound, in 1877. His invention utilized tin-coated cylinders with two needles: one for playback and the other for recording sound.
Timeline of Thomas Edison’s Major Inventions and Accomplishments:
- Files the initial patent application in 1868 for his electric vote recorder. In 1874, he creates the quadruplex telegraph, which simultaneously transmits four messages across a line.
- 1876: Begins work on carbon telephone transmitter, a microphone upgrade for telephones
- Creates the phonograph in 1877.
- 1879: Applied for the patent for the commercial incandescent lamp, becoming a celebrity.
- He used his electric power distribution system to supply 58 Manhattan homes in 1882.
- 1891: The kinetoscope and kinetograph, two significant innovations for the motion picture business, are presented in their first public display.
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