Which of the following scientist invented Gramophone?

A. Einstein

B. Newton

C. Edison

D. Graham Bell

Invention of Gramophone

Thomas Edison invented gramophone. However, the credit also goes to Emile Berliner and Eldridge R. Johnson. Thus, Gramophone was invented by Thomas Edison, Emile Berliner and Eldridge R. Johnson altogether. And The Gramophone is also known as a phonograph.

Phonograph OR Gramophone

A phonograph, in its later forms also called a gramophone or since the 1940s called a record player, is a device for the mechanical recording and reproduction of sound. Wikipedia

Do you know Who invented keyboard?

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