The earliest known Cremona coin accumulator
from 1907 A roll piano #107627. The actuating mechanism is
contained within the vertical metal chute mounted on the right
side of the piano case.
(Photograph courtesy of John Rutoskey )
The coin accumulator chute, controlling
pneumatic, and electrical contact block assembly as seen when
removed from the piano.
(Photograph courtesy of John Rutoskey )
Close-up showing the actuating pneumatic,
nickel drop finger, and binding posts for the electrical switch.
(Photograph courtesy of John Rutoskey )
The only coin mechanism related parts in
the bottom of the piano are the lower chute and cash collection
box.