246 / | HD | RAILWAY SWITCHES AND SIGNALS |
270 R | DF | VEHICLE-ENERGY ACTUATION {11} |
314 | DF | .~ Switches, automatic {6} |
322 | DF | .~.~ Track mechanism {13} |
344 | DF | .~.~.~ Transverse motion {4} |
346 | .~.~.~.~ Swinging {2} | |
347 | DF | .~.~.~.~.~> Double acting {1} |
349 | DF | .~.~.~.~.~> Double |