Raymond, William Galt, 1859-1926, Raymond, William Galt, 1859-1926. cre · New York, J. Wiley & sons, inc · leaf 107
Wharton Safety Switch. — This switch provides for acontinuous main line. It is a split switch, but with movable railsin the turnout instead of the main line, the wheels being lifted onan incline so that the flange will cross over the main hne rail.Although adopted to some extent, this switch is not… … Fig. 35 line of the road. There are two general classes, stiff frogs andspring rail frogs. One ordinary form of stiff frog is shown inFig. 34, and in Fig. 35 the names of parts are given. There areseveral methods of construction. Figure 34 is a bolted frog; somefrogs are fastened together with…
Railroad engineering
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