Successful demonstration of composite union and general railway signal devices reported by A.R.A. Committee; circuit diagram designed for testing composite equipment. (See also Ry Elec Engr v 23 n 8 Aug 1932 p 189 and 192)
Train control interchangeability tests
Ry Signaling
Railway Signaling ; 25 , n 7 ; p 217 + 228
1932
Article (Journal)
English
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Train control interchangeability tests
Engineering Index Backfile | 1932
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