Graphapone was invented (1 gen 1885 anni – 1 gen 1886 anni)
Descrizione:
The Graphophone was the name and trademark of an improved version of the phonograph. It was invented at the Volta Laboratory established by Alexander Graham Bell. Its trademark usage was acquired successively by the Volta Graphophone Company, then the American Graphophone Company, the North American Phonograph Company, and finally by the Columbia Phonograph CompanyAggiunto al nastro di tempo:
Data:
1 gen 1885 anni
1 gen 1886 anni
~ 12 months