Demonstration of wisdom of using only high-grade materials and equipment; competence of maintenance force equally important factor; battery service; lamp replacements; performance record; track-and-signal plan of main portion of interlocking facilities at South Bend.
Relation of maintenance to performance in electric interlocking plant
Ry Signaling
Railway Signaling ; 25 , n 8
1932
3 pages
Aufsatz (Zeitschrift)
Englisch
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