Charley Hummel tinfoil demonstration

[Tinfoilphono]

This undated video (probably made 20+ years ago) shows the late Charley Hummel demonstrating his Bergmann Exhibition tinfoil phonographs -- one of only four believed to be in private hands).

 

https://apsblobdeve.blob.core.windows.net/multimedia-aps/The Edison Tinfoil Machine.mp4

[melvind]

What a wonderful piece to remember Charley and his knowledge for all of us to enjoy. Thanks so much for posting!