Notes on new type of interlocking control, placed in service at Girard Junction near Erie, Pa, in which switches in route and signal for directing train movement over that route are all controlled by operation of knob and button on track model which is part of control panel; machine, known as "NX" system, designed and manufactured by General Railway Signal Co. (See also Ry Signaling v 30 n 11 Nov 1937 p 627-31)
New York Central installs first button-control route interlocking
Ry Age
Railway Age ; 103 , n 21
1937
4 pages
Aufsatz (Zeitschrift)
Englisch
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New York Central installs first button-control route interlocking
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