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GB316223A
|
|
Improvements in and relating to hammer actions for stringed musical instruments
|
|
DE540566C
|
|
Piano mechanics
|
|
GB297504A
|
|
Improvements in and relating to automatic musical instruments
|
|
GB293561A
|
|
Improvements in and relating to automatically operated pianos or like musical instruments
|
|
US1777684A
|
|
Tubing arrangement for automatic pneumatic pianos
|
|
GB266930A
|
|
Improvements in and relating to automatic musical instruments and expression controlling means therefor
|
|
US1725904A
|
|
Grand-piano construction
|
|
US1648075A
|
|
Pneumatic-valve mechanism
|
|
GB230823A
|
|
Improvements in and relating to automatic musical instruments
|
|
US1660632A
|
|
Automatic musical instrument
|
|
US1660631A
|
|
Expression mechanism for automatic musical instruments
|
|
US1684015A
|
|
Apparatus for adjusting valve throw
|
|
US1684014A
|
|
Method of adjusting valve throw
|
|
US1720405A
|
|
Pneumatic valve action
|
|
US1689250A
|
|
Automatic musical instrument
|
|
US1665863A
|
|
Automatic musical instrument
|
|
US1734607A
|
|
Pedal-operating mechanism
|
|
US1638420A
|
|
Dust-collecting valve mechanism for palyer pianos
|
|
GB220371A
|
|
Improvements in automatic musical instruments
|
|
GB224564A
|
|
Improvements in player pianos
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