. The Street railway journal . VIEW OF THE AIR-BRAKE VALVE UPON THE TRUCK. BENEATH THE CAR, WHICHIS OPENED IF TRAIN ATTEMPTS TO OVERRUN PAST TRAIN STOP THE MECHANISM FOR OPERATION OF THE PNEUMATIC TRACK TRAIN STOP,SHOWING TRIGGER ELEVATED TO STOP POSITION workman, etc., thus rendering an emergency control of trainsvery desirable. To provide as perfectly as practicable for suchconditions, it has been arranged to loop the control of signalsinto an emergency box set in a conspicuous position in eachstation platform. The pushing of a button on this box, similarto that of the fire alarm signal, wil
. The Street railway journal . VIEW OF THE AIR-BRAKE VALVE UPON THE TRUCK. BENEATH THE CAR, WHICHIS OPENED IF TRAIN ATTEMPTS TO OVERRUN PAST TRAIN STOP THE MECHANISM FOR OPERATION OF THE PNEUMATIC TRACK TRAIN STOP,SHOWING TRIGGER ELEVATED TO STOP POSITION workman, etc., thus rendering an emergency control of trainsvery desirable. To provide as perfectly as practicable for suchconditions, it has been arranged to loop the control of signalsinto an emergency box set in a conspicuous position in eachstation platform. The pushing of a button on this box, similarto that of the fire alarm signal, will set all signals immediatelyadjacent to stations in the face of trainsapproaching, so that all traffic may bestopped until the danger condition isremoved. The second safety appliance is thesection break and cross-over protec-tion. This consists of a special emer-gency signal placed in advance of eachseparate section of the third rail; thatis, at points where trains move from asection fed by one sub-station to thatfed by anoth
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884
