Operators Piano Company
Late Style A Roll Mechanisms

Operators late style A roll spoolbox.

(Photograph courtesy of Dana Johnson)

Late Coinola A roll spoolbox with steel side plates. In this version, the roll is inserted backwards with the paper winding off the back of the feed spool, over the tracker bar, and onto the back of the takeup spool. The tracker bar is mounted farther back than in the previous spoolbox.

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