Interlocking with 5-lever centralized traffic control type machine for control of signals and electric switch locks, installed by Texas and New Orleans Railroad at crossing with St Louis-Southwestern Railroad at Corsicana, Tex, to safeguard and expedite traffic; machine, with four 3-position signal levers and one 3-position electric lock lever, located on telegraph operator's desk in ticket office.
All-relay interlocking replaces crossing gate
Ry Signaling
Railway Signaling ; 31 , n 6
1938
3 pages
Article (Journal)
English
© Metadata Copyright Elsevier B. V. All rights reserved.
All-relay interlocking replaces crossing gate
Engineering Index Backfile | 1938
Automatic interlocking replaces gates at crossing
Engineering Index Backfile | 1933
All-relay interlocking replaces mechanical plant
Engineering Index Backfile | 1943
Milwaukee replaces mechanical plant with all relay electric interlocking
Engineering Index Backfile | 1942
Remote control replaces interlocking
Engineering Index Backfile | 1933