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US1686225A
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Transmission and tracker mechanism unit
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US1351280A
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Detachable bottom-action unit for automatic musical instruments
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US1420238A
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Pedal-operated exhaust mechanism for automatic musical instruments
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US1422824A
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Tracking device for player pianos
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US1232199A
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Transmission mechanism for automatic musical instruments.
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US1232198A
|
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Player-action.
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US1373593A
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Action for pneumatic musical instruments
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US1247604A
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Valve mechanism for pneumatically-operated musical instruments.
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US1210037A
|
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Mechanical movement.
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US1180105A
|
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Automatic flange-controlling mechanism.
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US1293014A
|
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Mechanical web-guiding device.
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US1187603A
|
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Flange-controlling mechanism.
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US1269045A
|
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Mechanical sheet-controlling means.
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US1223758A
|
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Pneumatic motor.
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US1219235A
|
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Sheet-centralizing mechanism.
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US1141607A
|
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Expression device for automatic musical instruments.
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US1133257A
|
|
Pneumatic action.
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US1232197A
|
|
Means for automatically controlling sheet-centralizing devices.
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|
US1143684A
|
|
Sheet-centralizing mechanism.
|
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US1067969A
|
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Pneumatic action for piano-players, &c.
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