Raymond, William Galt, 1859-1926, Raymond, William Galt, 1859-1926. cre · New York, J. Wiley & sons, inc · leaf 109
Set for Siding Fig. 37 Set for Main Line … to\\Ti. One form of safety switch and frog — the MacPherson— is sho^^^l in Figs. 37 and 38. Its operation will be clear fromthe figures. Double Turnouts. — The track arrangement for a double turn-out with a stub switchshown in Figs. 39 and 40,is called a three-throwswitch, and for such aswitch…
Railroad engineering
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