Train switch

Definition and stakes

Portrait of Thomas Curtis Clarke Thomas Curtis Clarke,  The American Railway: Its Construction…

“ Under the old plan he was constantly on guard lest he make a mistake and throw an engine or car off the track. Under the new, his calculations are chiefly about saving time and facilitating the work of the trainmen. Questions of danger rarely come up, being provided against by the perfection of the machinery. By long familiarity with the ground and the ways of [421] handling the trains, the switch-tender in an "interlocking tower" is enabled to safely conduct a score of trains through a labyrinth of switches in the time that the novice would take to make the first move for a single train. ”
Source: Gutenberg

Portrait of Thomas Curtis Clarke Thomas Curtis Clarke,  The American Railway: Its Construction…

“ And in the approaches to some of our great depots, where trains and tracks are multiplied and confused with cross-overs and switching service, all switches are set and all movements controlled by signals from a single central tower. Sometimes, by very expensive and complicated apparatus, it is made mechanically impossible to open a track for the movement of a train without previously locking all openings by which another train might interfere. The illustrations on pages 169, 171, and above will serve to give some general idea of these appliances. [17]
Central Switch and Signal Tower.
”
Source: Gutenberg

Portrait of Charles DeLano Hine Charles DeLano Hine,  Letters from an old railway official… (1904)

“ If not trained, your switchmen will throw every switch possible beforehand so as to be ready. They may think such precautions are old womanish, but the time will come when your wisdom will be vindicated. If a train is waiting for a connection, with a siding switch in rear, the facing point switch should be opened, so that if the incoming man loses his air or misjudges distances the train will not be hit. ”
Source: Wikisource

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