. Elements of railroad track and construction . tie plate and shaped so thatthey fit snugly against the web of the rail or the re-inforcing bar. The wing rail is further controlled bythe arm g, which is riveted to the rail and movesthrough a socket riveted to the tie plate. In Fig. 96&is shown a section through C D. 154. Reinforced Frogs.—^The metal of a frog isworn most at and near the point of the frog, this partbeing called the throat of the frog. The point of thefrog is often strengthened by means of a manganese frog is made from standard rails and then abouta foot in length of the
. Elements of railroad track and construction . tie plate and shaped so thatthey fit snugly against the web of the rail or the re-inforcing bar. The wing rail is further controlled bythe arm g, which is riveted to the rail and movesthrough a socket riveted to the tie plate. In Fig. 96&is shown a section through C D. 154. Reinforced Frogs.—^The metal of a frog isworn most at and near the point of the frog, this partbeing called the throat of the frog. The point of thefrog is often strengthened by means of a manganese frog is made from standard rails and then abouta foot in length of the point of the frog is shaped sothat a tip of manganese steel can be fastened to it. In Figs. 97, 97a, and 976 are shown the plan anddetails of a stiff frog reinforced with manganese rails of the frog are spread at the throat and acasting that reinforces both rails and the frog-pointis inserted as shown in Fig. 97. In Fig. 97a is shownthe plan of part of the frog-point, the elevation of the 160 RAILROAD TRACK AND CONSTRUCTION. ^.
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Keywords: ., bookcentury1900, bookdecade1910, bookpublisheretcetc, bookyear191
