| 310 / | HD | ELECTRICAL GENERATOR OR MOTOR STRUCTURE |
| 10 | DF | DYNAMOELECTRIC {5} |
| 40 R | DF | .~ Rotary {28} |
| 159 | DF | .~.~ A.C. {5} |
| 173 | DF | .~.~.~ Commutated {1} |
| 174 | ![]() | .~.~.~.~ Single phase {2} |
| 175 | DF | .~.~.~.~.~> Conduction operation |
| 176 | DF | .~.~.~.~.~> Transformer operation |