Mar. 9: Description of 3000-kw., 60-cycle rotary converters in-stalled in soundproof substations; distribution system utilizes total of 75 mi. of cable; signals are electric color-light type; switches are interlocked and electro-pneumatically operated; all power purchased; substation cross-section; typical layout of contact rails at station; cross-section of 150-lb. over-running type of contact rail; wiring diagram of stations; telephone and fire-alarm systems. (See also - nos. 6 Feb. 9 1929, pp. 240-248, no. 8 Feb 23 pp. 319-322)
New Philadelphia subway
Elec. Ry. Jl
Electric Railway Journal ; 73 , n 10
1929
8 pages
49 Figs.
Article (Journal)
English
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Engineering Index Backfile | 1929
Engineering Index Backfile | 1929
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