American Fotoplayer sounds effects player piano designed to create silent movie soundtracks. 1:38 video:
https://www.youtube.com/watch?v=a1R8Rx2db9c
More: https://en.wikipedia.org/wiki/American_Fotoplayer
Previously:
https://www.homemadetools.net/forum/...153#post134522
https://www.homemadetools.net/forum/...4445#post79975
https://www.homemadetools.net/forum/...081#post125695
https://www.homemadetools.net/forum/...273#post121629
https://www.homemadetools.net/forum/...8302#post87205