Dodge, Mary Mapes, 1830-1905 · [New York : Scribner & Co.] · leaf 483
HC. 20. FIC, =7 switches, we worked very carefully. Fig. 29shows how a switch was put in position. The maintrack ran (from left to right) from a to^-and from bto //. But in order to switch off from the main track,it was necessary to have two movable pieces of track,ac and bd, which were fastened at… … THE STAGE-COACH COMPLETED. Small wires kept the movable pieces of trackexactly four inches apart, and they were moved tog and /;, or to c and d, by the handle at / Thetrack was cut away at e, so that the wheels of thecars might pass on either the main track or the
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