| 322 / | HD | ELECTRICITY: SINGLE GENERATOR SYSTEMS | 
| 44 | DF | GENERATOR CONTROL {11} | 
| 59 | DF | .~ With excitation winding and/or circuit control {11} | 
| 75 | DF | .~.~ Control by circuit impedance {3} | 
| 80 | DF | .~.~.~ Resistance {3} | 
| 83 | DF | .~.~.~.~ Short-circuited {2} | 
| 85 |  | .~.~.~.~.~ Step by step |