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GB140273A
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Improvements in combined player pianos and phonographs
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US1298292A
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Exhaust device for air-motor-operated player-pianos.
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US1273579A
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Governor for air-motors.
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US1298291A
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Governor for air-motors.
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US1300244A
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Combined piano and phonograph.
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US1240943A
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Phonograph-tone-arm joint.
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US1264268A
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Phonograph.
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US1230995A
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Air-motor.
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US1265747A
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Air-motor.
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US1227579A
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Combined piano and phonograph.
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US1229586A
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Air-motor-governing device.
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US1246053A
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Drive mechanism for combined phonographs and players-pianos.
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US1183168A
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Governing device for pneumatic piano-player action.
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US1160260A
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Pneumatic action for interior piano-players.
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US1184723A
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Piano-player exhaust and regulating mechanism.
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US1166430A
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Pneumatic shifting device for movable members of an automatic musical instrument.
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US1169126A
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Pneumatic action for interior piano-players.
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US1148147A
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Note-sheet-perforating apparatus.
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US1137259A
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Machine for applying expression-indicating lines and the like to perforated note-sheets.
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US1162138A
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Motor-support for musical-instrument bellows.
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