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 |