310 / | HD | ELECTRICAL GENERATOR OR MOTOR STRUCTURE |
10 | DF | DYNAMOELECTRIC {5} |
40 R | DF | .~ Rotary {28} |
66 | DF | .~.~ With other elements {7} |
68 R | DF | .~.~.~ Electric circuit elements {9} |
69 | DF | .~.~.~.~ Shaft-driven switch (e.g., blasting generators) {1} |
70 R | DF | .~.~.~.~.~ Distributor or timer (e.g., ignition magnetos) {1} |
70 A | .~.~.~.~.~.~ Ignition systems |