| 84 / | HD | MUSIC |
| 1 | DF | INSTRUMENTS {9} |
| * | DD | .~ Automatic {13} |
| 7 | DF | .~.~ Stringed {4} |
| 13 | DF | .~.~.~ Pianos {5} |
| 24 | DF | .~.~.~.~ Pneumatic type {10} |
| 33 | DF | .~.~.~.~.~ Expression mechanism {8} |
| 39 | | .~.~.~.~.~.~ Wind pressure varied {4} |
| 40 | DF | .~.~.~.~.~.~.~> By pumping |
| 41 | DF | .~.~.~.~.~.~.~> By throttling |
| 42 | DF | .~.~.~.~.~.~.~> By regulating chamber |
| 43 | DF | .~.~.~.~.~.~.~> By use of two pressures |