| 200 / | HD | ELECTRICITY: CIRCUIT MAKERS AND BREAKERS |
| 19.01 | DF | PERIODIC {13} |
| 19.2 | DF | .~ Cam operated {2} |
| 19.21 | ![]() | .~.~ Adjustable {4} |
| 19.22 | DF | .~.~.~> Contact breaker assemblies |
| 19.23 | DF | .~.~.~> Centrifugal advance mechanism |
| 19.24 | DF | .~.~.~> Distributor plate |
| 19.25 | DF | .~.~.~> Vacuum or suction controlled advance mechanism |