Consolidation of control of three large interlocking plants into one tower which has reduced operating expenses about $14,000 a year; concentration of control is modern idea; new cables feature of job; illuminated track diagram constructed for these combined plants was principal factor contributing to success of undertaking; details of its construction. (See also Ry. Signaling vol. 21, no. 5, May 1928 pp. 180-182, 7 figs)
Three interlockings consolidated
Ry. Age
Railway Age ; 84 , n 18
1928
2 pages
2 Figs.
Article (Journal)
English
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Three interlockings consolidated
Engineering Index Backfile | 1928
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Engineering Index Backfile | 1933
Consolidated control of three interlockings
Engineering Index Backfile | 1952
Consolidated control of three interlockings
Engineering Index Backfile | 1952