Description of all-delay interlocking installed at Saginaw, Mich, to replace one of very early Model-2, General Railway Signal Co, allelectric interlockings installed in 1903; machine is equipped with toggle switch and small green entrance-exit route lamps to give leverman opportunity to check track line-up before clearing signal.
New interlocking on pere Marquette
Ry Signaling
Railway Signaling ; 39 , n 10
1946
3 pages
Article (Journal)
English
© Metadata Copyright Elsevier B. V. All rights reserved.
War-time replacement of interlocking on Pere Marquette
Engineering Index Backfile | 1946
All-relay drawbridge interlocking installed on pere Marquette
Engineering Index Backfile | 1946
Pere Marquette installs C.T.C.
Engineering Index Backfile | 1947
Pere Marquette shows improvement
Engineering Index Backfile | 1929
Spring switch on Pere Marquette
Engineering Index Backfile | 1941