Automatic signaling and centralized traffic control, now 15 yr old, still being extended; features of manual block working; cab signaling and train control; centralized traffic control and power signaling.
American signalling in 1941
Ry Gaz
Railway Gazette and Railway News ; 77 , n 17
1942
Article (Journal)
English
© Metadata Copyright Elsevier B. V. All rights reserved.
American railway speed in 1941
Engineering Index Backfile | 1942
|American aircraft engines for 1941
Engineering Index Backfile | 1941
The Regulars: The American Army, 1898-1941
Online Contents | 2007
|Tendencies in American signalling
Engineering Index Backfile | 1941
American practice in block signalling
Engineering Index Backfile | 1899
|