Pennsylvania Railroad announces policy; will install cab signals, continuous system; coder system; accomplishes same results as other continuous systems but does so by entirely different method; Pennsylvania record; record of automatic signals.
Further hearings on automatic train control
Ry. Age
Railway Age ; 84 , n 17 ; p 971-975
1928
5 pages
Article (Journal)
English
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Hearings on automatic train control
Engineering Index Backfile | 1928
Hearings on automatic train control
Engineering Index Backfile | 1928
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