Player organ
IMPROVEMENT IN SELF-PLAYING ATTACHMENTS FOR KEY-BOARD INSTRUMENTS.Edward Forbes O'Neill · May 6, 1879
IMPROVEMENT IN MECHANICAL MUSICAL INSTRUMENTS.George B. Kelly and Mason J. Matthews · July 22, 1879
AUTOMATIC ORGAN-PLAYER.John August Brodin · July 31, 1894
PNEUMATICALLY-ACTUATED MUSICAL INSTRUMENTEdwin S. Votey · March 6, 1906