High speed moves protected at Lincoln, Ill, by two automatic and five auto-manual installations, with special speed and switch cut-outs; five crossings blocked off. (see also Ry Age v 108 n 9 Mar 2 1940 p 410-2)
Gates at seven alton grade crossings
Ry Signaling
Railway Signaling ; 33 , n 2
1940
6 pages
Aufsatz (Zeitschrift)
Englisch
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Gates at seven alton grade crossings
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