US1356107A
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Automatic musical instrument
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US1279388A
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Pneumatic tension-regulator for automatic musical instruments.
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US1207966A
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Automatic music-sheet tracker.
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US1207965A
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Automatic music-sheet tracker.
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US1108595A
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Automatic musical instrument.
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US1207779A
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Valve mechanism for musical instruments and the like.
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US1188466A
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Automatic musical instrument.
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US1108199A
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Pedaling mechanism for musical instruments.
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US1057070A
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Music-spool mechanism.
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US1146436A
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Operating mechanism for music-rolls.
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US1034811A
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Musical instrument.
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US1183218A
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Automatic music-sheet tracker.
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US1055546A
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Piano-action.
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CA131512A
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Musical instrument
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US1003483A
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Automatic musical instrument.
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US1009330A
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Expression device for musical instruments.
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US992018A
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Automatic musical instrument.
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US992435A
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Valve for player-pianos and the like.
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US992367A
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Automatic musical instrument.
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