Cremona Late Style Spoolbox Drive

(Photograph courtesy of Art Reblitz)

Illustration from Cremona Style G piano #11845. This is an example of a late style spoolbox with a single disk and friction wheel. At the top of the shaft powered by the friction wheel there is a small bevel gear that drives the music roll take-up spool. The vertical position of the friction wheel determines the music tempo. This was the final conventional Cremona spoolbox design, other than the tune selector mechanism described in the next section.