System installed on line between Wilmington, Delaware and Washington, D C, which controls wayside automatic signals as well as cab signals without use of line wires. (See also Ry Signaling v 28 n 5 May 1935 p 245-50 and 252)
Coded track-circuit signaling on Pennsylvania
Ry Age
Railway Age ; 99 , n 7
1935
3 pages
Aufsatz (Zeitschrift)
Englisch
© Metadata Copyright Elsevier B. V. All rights reserved.
Coded track-circuit signaling on Pennsylvania
Engineering Index Backfile | 1935
Engineering Index Backfile | 1942
New Haven installs five-aspect signaling controlled by coded track circuits
Engineering Index Backfile | 1943
|NTIS | 1972
|Track-circuit signaling on electrified roads
Engineering Index Backfile | 1907
|