Power operated by a motor or similar device connected to the SignalA visual display device which conveys instructions or provides prior warning of instructions regarding the driver’s authority to proceed. More arm
(applicable to Semaphore Signals). Can also apply to PointsItems of permanent way which may be aligned to one of two positions, Normal or Reverse, according to the direction of train movement required. More and DetonatorA small disc-shaped audible warning device, placed on the rail head, which explodes when a train passes over. Used for emergency or protection purposes. Also kn... More
Placers.