1 gen 1877 anni - Phonograph

Descrizione:

Thomas Edison
Shortly after Cros found that he could convert the recording back into hearable sound, Thomas Edison announced his Phonograph, which recorded sound waves by indenting them into a sheet of tinfoil so that they could be played back immediately which relegated Cros’s less direct method to unimportance.

Aggiunto al nastro di tempo:

Data:

Immagini: