Pennsylvania Railroad consolidated two or more interlockings into one tower resulting in elimination of towers at outlying points; diagrams of typical remote-control circuits used; track and signal plan of territory controlled.
Consolidated interlocking and block offices
Ry Signaling
Railway Signaling ; 26 , n 9
1933
5 pages
Article (Journal)
English
© Metadata Copyright Elsevier B. V. All rights reserved.
Control of four layouts consolidated in one interlocking
Engineering Index Backfile | 1953
New Haven consolidated control of nine interlocking layouts
Engineering Index Backfile | 1956
Reading has compact control machine for consolidated interlocking
Engineering Index Backfile | 1955
Interlocking concrete block paving
TIBKAT | 1987
|