
Gramophone
Gramophone, later called the phonograph, was patented by Thomas Edison in 1878. He received patent number 200,521. Older children could learn more about the history of sound recording at: Gramophone.

Gramophone
Gramophone, later called the phonograph, was patented by Thomas Edison in 1878. He received patent number 200,521. Older children could learn more about the history of sound recording at: Gramophone.