246 / | HD | RAILWAY SWITCHES AND SIGNALS |
270 R | DF | VEHICLE-ENERGY ACTUATION {11} |
314 | DF | .~ Switches, automatic {6} |
322 | DF | .~.~ Track mechanism {13} |
344 | .~.~.~ Transverse motion {4} | |
345 | DF | .~.~.~.~> Duplex lever |
346 | DF | .~.~.~.~> Swinging {2} |
350 | DF | .~.~.~.~> Double acting |
351 | DF | .~.~.~.~> Vertical motion {3} |