How a pianola works (stage 1)
How a pianola works (stage 1)
Stage 1: Nothing is playing because there is no hole passing over the “tracker bar”. However, there is partial vacuum (suction) present in all the mechanism.
The NWPPA is 50 years old! Happy Golden Anniversary to the North West Player Piano Association
Stage 1: Nothing is playing because there is no hole passing over the “tracker bar”. However, there is partial vacuum (suction) present in all the mechanism.