International Correspondence Schools · Scranton, Pa. : The Colliery engineer co. · leaf 537
secured to the main rail/ by two heavy bolts,the space between them being maintained by a cast-ironthroat filler q. Near the derailing switch, a guard rail r isplaced, diverging from the outside rail, the object of whichis to prevent derailed cars from running on to the main line.A heavy plank s is… … Fig. 536. shown in Fig. 53G may be used on turnouts, or passingtracks, to great advantage. There are two switch pointsa and b, one of which, a, is rigid, forming a combination offrog and switch point. It consists of a guard rail r, twothroat fillers d and i\ and the switch point a. The…
Railroad engineering
Internet Archive · California Digital Library · Public Domain Mark 1.0. Free to use for anything.
