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.