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 Signaling v 25 n 7 July 1932 p 217 and 228)
Train control interchangeability tests
Ry Elec Engr
Railway Electrical Engineer ; 23 , n 8 ; p 189 + 192
1932
Aufsatz (Zeitschrift)
Englisch
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Train control interchangeability tests
Engineering Index Backfile | 1932
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