Graphophone
The Graphophone was the name and trademark of an improved version of the phonograph. It was initially designed at the Volta Laboratory established by Alexander Graham Bell in Washington, D.C., United States.
The Graphophone was the name and trademark of an improved version of the phonograph. It was initially designed at the Volta Laboratory established by Alexander Graham Bell in Washington, D.C., United States.
The Graphophone was the name and trademark of an improved version of the phonograph. It was initially designed at the Volta Laboratory established by Alexander Graham Bell in Washington, D.C., United States.
Source: Wikipedia "Graphophone" · CC BY-SA 4.0
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