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US1393123A
|
|
Player-piano action
|
|
US1352958A
|
|
Musical instrument
|
|
GB104559A
|
|
Improvements in and relating to Automatic Pianos.
|
|
GB191509175A
|
|
Improvements in and relating to Automatic Playing Mechanism for Musical Instruments.
|
|
GB100043A
|
|
Improvements in and relating to Automatic Pianos.
|
|
GB191509176A
|
|
Improvements in and relating to Automatic Pianos.
|
|
GB191500125A
|
|
Improvements in and relating to Automatic Pianos.
|
|
GB191509177A
|
|
Improvements in and relating to Automatic Pianos.
|
|
US1181735A
|
|
Soft-pressure and silencer box for musical instruments.
|
|
US1006728A
|
|
Regulator for pneumatically-operated musical instruments.
|
|
US1012175A
|
|
Tracker mechanism.
|
|
US971398A
|
|
Tracker-board for mechanical musical instruments.
|
|
US1187975A
|
|
Device for adjusting the relation between music-sheet and tracker.
|
|
US1058041A
|
|
Indicator for note-sheets.
|
|
US1008310A
|
|
Folding treadle.
|
|
US1118476A
|
|
Pump-operating means for musical instruments.
|
|
US995492A
|
|
Device for adjusting the relation between music-sheets and trackers.
|
|
US983879A
|
|
Pneumatic governor.
|
|
US957752A
|
|
Regulator for pneumatic motors.
|
|
US957751A
|
|
Pneumatic motor.
|
