End-of-doubletrack layout on Missouri Pacific is controlled from plant 5 mi away; investment of $6500 saves $5500 annually; equipment illustrated and described. (see also Ry Age v 94 n 13 Apr 1 1933 p 475-6)
Remote control of switch replaces interlocking
Ry Signaling
Railway Signaling ; 26 , n 6
1933
Article (Journal)
English
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Remote control replaces interlocking
Engineering Index Backfile | 1933
Remote control replaces mechanical interlocking on L and N
Engineering Index Backfile | 1936
Automatic interlocking replaces gates at crossing
Engineering Index Backfile | 1933
All-relay interlocking replaces mechanical plant
Engineering Index Backfile | 1943
All-relay interlocking replaces crossing gate
Engineering Index Backfile | 1938