Details of 32-lever all relay electric interlocking installed at Pacific Junction, by Chicago, Milwaukee, St Paul and Pacific Railroad, to replace 116-lever mechanical plant installed more than 40 yr ago.
Milwaukee replaces mechanical plant with all relay electric interlocking
Ry Signaling
Railway Signaling ; 35 , n 12
1942
6 pages
Article (Journal)
English
© Metadata Copyright Elsevier B. V. All rights reserved.
All-relay electric interlocking replaces mechanical plant
Engineering Index Backfile | 1947
All-relay plant replaces mechanical interlocking
Engineering Index Backfile | 1938
All-relay interlocking replaces mechanical plant
Engineering Index Backfile | 1943
All-relay plant replaces mechanical interlocking
Engineering Index Backfile | 1938
All-relay interlocking replaces mechanical plant
Engineering Index Backfile | 1943