US1089358A
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Pneumatic playing attachment for musical instruments.
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US1118261A
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Pneumatic playing attachment for musical instruments.
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US1141283A
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Tempo-regulator and rewinding mechanism for piano-players.
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US1107575A
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Automatic pneumatic musical instrument.
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US1107554A
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Pneumatic action.
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US1136733A
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Treadle for piano-playing attachments.
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US1107572A
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Playing attachment for automatic musical instruments.
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US1107573A
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Automatic pneumatic musical instrument.
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US1135152A
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Pneumatic automatic musical instrument.
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US1107574A
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Pneumatic playing attachment for musical instruments.
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US1006526A
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Cabinet for automatic musical instruments.
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US984528A
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Folding treadle for piano-playing attachments.
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US984527A
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Folding treadle for piano-playing attachments.
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US1025959A
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Controlling device for self-playing pianos.
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US1009715A
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Controlling device for self-playing pianos.
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US992149A
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Controlling device for self-playing pianos.
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US1030863A
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Controlling device for self-playing pianos.
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US1118249A
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Pneumatic action for musical instruments.
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US1107562A
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Winding and rewinding mechanism for music sheets or records.
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US998136A
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Treadle for piano-playing attachments.
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