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US1230130A
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Spooling-machine for music-rolls.
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US1294628A
|
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Music-roll.
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US1156891A
|
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Music-roll.
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US1094537A
|
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Apron-feed for perforating-machines.
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US1036079A
|
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Music-roll spool.
|
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US1059042A
|
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Adjustable music-roll spool.
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US1074776A
|
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Combined marking and spooling machine for music-rolls.
|
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US1158122A
|
|
Music-roll.
|
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GB191015487A
|
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Improvements in and relating to a Method of and Machine for Making Perforated Music Sheets or Rolls.
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US1080424A
|
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Expression mechanism for automatic pianos.
|
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US964404A
|
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Method of perforating music-sheets.
|
|
US1059041A
|
|
Music-roll spool.
|
|
US1082849A
|
|
Automatic music-sheet-guiding device for self-playing musical instruments.
|
|
US1034086A
|
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Spool for perforated music-rolls.
|
|
US1057622A
|
|
Music-roll-marking machine.
|
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US968136A
|
|
Respooling device for music-rolls.
|
|
US964403A
|
|
Method of and apparatus for perforating music-rolls.
|
|
US895242A
|
|
Electromechanical movement.
|
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US935967A
|
|
Pedal mechanism.
|
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US860129A
|
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Music-roll holder.
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