. American engineer and railroad journal . at station B is moved toits extreme outward limit, as shown in tig. 2o, the stud o, ixct-ing on the bell-crank « ii in, depresses the vertical bar J, L,which in time acts on the lever r g s, raises up the circuit-making jaws s s past the plate /■* and breaks lis electricalconnection with /*, by which a circuit was formed between Csbattery .2(see fig. 32)^ and Bs magnet 31, when n was broughtinio contact with Q by the operation of Cs plunger. As the operating bar S in the instrument at station B is nowlocked in its outward position by the latc
. American engineer and railroad journal . at station B is moved toits extreme outward limit, as shown in tig. 2o, the stud o, ixct-ing on the bell-crank « ii in, depresses the vertical bar J, L,which in time acts on the lever r g s, raises up the circuit-making jaws s s past the plate /■* and breaks lis electricalconnection with /*, by which a circuit was formed between Csbattery .2(see fig. 32)^ and Bs magnet 31, when n was broughtinio contact with Q by the operation of Cs plunger. As the operating bar S in the instrument at station B is nowlocked in its outward position by the latch d, and canonly be unlocked by the action of the magnet 3/, and, as hasbeen explained, the circuit between Cs battery and Bs mag-net is broken by the movement of the lever r g s, when thebar S at station B was drawn outward to its extreme limit, itis obvious that when Bs signal lever has once been unlockedby C to enable B to admit a train to section 3, that C thencannot unlock Bs operating bar S S a second time. As soon ir FigiZ. W w. SECTION a. WESTWARD
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroadengineering
