Belt Line Junction electric plant recently completed by Michigan Central at Detroit, Mich., employs push-button control for color-light signals and desk levers for switches; decided economy in first cost; control panel and levers on same table; operating features are described; circuit features; power supply; parkway cables.
Simplified electric interlocking plant on Michigan Central
Ry. Signaling
Railway Signaling ; 22 , n 4
1929
5 pages
9 Figs.
Article (Journal)
English
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