Edison’s First Phonograph

Victorian illustration showing a picture of the inventor Edison’s original phonograph of 1877. A brass cylinder with a sheet of tinfoil wrapped round it is turned by a handle, and a sharp point attached to a circular vibrating diaphragm scores the tinfoil when sound vibrations reach it. The quality of this image is acceptable, but not perfect, as it was scanned from a small original.

#Picture Number ST29

 


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