Description of all relay electric interlocking plant controlled by panel type machine, installed on double track drawbridge over Calumet River near 92nd St in South Chicago, Ill; use of code line control equipment as means of minimizing number of wires to be extended between movable section of bridge and shore piers.
Drawbridge interlocking on Elgin, Joliet and Eastern
Ry Signaling
Railway Signaling ; 40 , n 10
1947
3 pages
Article (Journal)
English
© Metadata Copyright Elsevier B. V. All rights reserved.
Elgin, Joliet and eastern installs electric interlocking at drawbridge
Engineering Index Backfile | 1934
Mikado type locomotive, Elgin Joliet and Eastern Ry.
Engineering Index Backfile | 1924
Engineering Index Backfile | 1914
|Automatic interlocking for drawbridge
Engineering Index Backfile | 1933
Rock Island interlocking plant at Joliet
Engineering Index Backfile | 1914