Edison's voice amplifying machine, c1878. Artist: Unknown
/2358683.jpg "Edison's voice amplifying machine, c1878. Artist: Unknown")
2-358-683 - Keystone Archives/Heritage Images
Edison's voice amplifying machine, c1878. Edison patented a machine to amplify the volume of the human voice in 1878, calling it the 'aerophone'.
Image Details
People Information
Creator
- Unknown, attributed to: :
People Related
- Thomas Edison: American: Inventor, businessman
Digital Image Size
Pixel Dimensions (W x H) : 5193x3368
File Size : 51,241kb
Aliases
- 0650001939
- 2-358-683
- 2358683
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