The photoplayer is an automatic mechanical orchestra used by movie theatres to produce photoplay music to accompany silent films. == Operation == The central instruments in a photo player were a piano and percussion; some machines also added pipe organs and methods for manually creating sound effects.
The photoplayer is an automatic mechanical orchestra used by movie theatres to produce photoplay music to accompany silent films. == Operation == The central instruments in a photo player were a piano and percussion; some machines also added pipe organs and methods for manually creating sound effects.
Source: Wikipedia "Photoplayer" · CC BY-SA 4.0
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