 1898 ad for the New Standard Phonograph | |
| Formerly | National Phonograph Company |
|---|---|
| Founded | 29 January 1896 |
| Founder | Thomas Edison |
| Defunct | 2 January 1957 |
Thomas A. Edison, Incorporated (originally the National Phonograph Company) was the main holding company for the various manufacturing companies established by the inventor and entrepreneur Thomas Edison. It was a successor to Edison Manufacturing Company and operated between 1911 and 1957, when it merged with McGraw Electric to form McGraw-Edison.