How a pianola works (stage 2)
How a pianola works (stage 2)
Stage 2: A hole passes over the tracker bar. Air enters the hole and is ready to start on its journey down the tubing.
I've not added the other stages yet!
Stage 2: A hole passes over the tracker bar. Air enters the hole and is ready to start on its journey down the tubing.
I've not added the other stages yet!