Self playing piano and an apparatus for automatic playing of a p

Separate automatic player driving keys and pedals of...

Separate automatic player driving keys and pedals of...

Slide rule for music

Solenoid actuator for use in automatic performance piano

Solenoid dashpot pedal actuator assemblies

Solenoid drive system for an automatic performing apparatus

Solenoid driving apparatus for actuating key of player piano

Solenoid mounting assembly for musical keyboard

Solenoid mounting plate for musical keyboard

Solenoid mounting systems for player and reproducing pianos

Solenoid-hammer control system for the re-creation of expression

Speed governor for music box

Speed governor for music box

Speed governor for music box or the like

Spring operated record player organ

Striker solenoid assembly for player and reproducing pianos

String-striking device for piano

String-striking device of piano

Stringed instrument wireless communication device and method...