. Locomotive engineering : a practical journal of railway motive power and rolling stock . - serious accidents,as might easily happen should the enginerun off the tics on to the ground. This. Derailing Switch and Guard Rail. turned through a quarter of a circle, asthere can then be no chance of makingsuch a mistake. Another form is that shown in Fig. 2, inwhich the arm seen above the lamps isused to designate which road may andwhich may not use the crossing, the cross-ing in this instance being at a very acuteangle. Of the six lamps, three have redlenses and three green, the green lampsbeing o
. Locomotive engineering : a practical journal of railway motive power and rolling stock . - serious accidents,as might easily happen should the enginerun off the tics on to the ground. This. Derailing Switch and Guard Rail. turned through a quarter of a circle, asthere can then be no chance of makingsuch a mistake. Another form is that shown in Fig. 2, inwhich the arm seen above the lamps isused to designate which road may andwhich may not use the crossing, the cross-ing in this instance being at a very acuteangle. Of the six lamps, three have redlenses and three green, the green lampsbeing on the side opposite from the arm,and designate at night which road has theright to the crossing. Still another form, and one that is verycommon in the West, is that of the twogates shown in Fig. 3, a gate being pro-vided for each road, and both roads beingnormally blocked until the approach of atrain, when the gate on that road is turnedone side. With all signals such as these, while itmay be impossible with the majority ofthem to make a mistake and give a clearsignal to both roads at the same time,there is nothing to compel the engineer toobey the signal or to stop, in case heshould
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroa, bookyear1892
