Wood strip pinned with a music arrangement, used to play the DeBain mechanical piano.

A small musical movement used in some 18th and 19th century watches and other small items. The pins are arranged in sequence on the surface of a disc or platform. Separate steel teeth are arranged around the periphery and are plucked by the projections on the disc. Synonym: Sur plateau.

To operate; to commence producing music. Sometimes seen in notations as replay, marche avant, or the confusing term reverse. In a rewind music roll system the term play refers to the function which returns the roll to the playing direction when rewind is completed.

Player pipe or reed organ. An organ which is played automatically by a paper roll or other system.

1. Foot-pumped (usually) upright or grand piano with the pneumatic mechanisms built into the case (in contrast to the push-up piano player, a device which contains the player mechanisms in a separate cabinet which is placed in front of the keyboard). Made for home use. Uses 65-note (early models) rolls or 73-note (early European models) or 88-note (universally used after 1908) rolls. Hundreds of different makes were produced during the early 20th century. * Synonym: inner-player (early usage). 2. Any type piano which uses a paper roll. Collectors designate roll-operated instruments by specific terms, including player piano (foot-pumped type), coin piano, orchestrion, etc.