Wabash has developed and installed system of audible horn signals in connection with dragging equipment detectors for protection on approaches to and on bridge across Mississippi river at Hannibal, Mo; mechanical interlocking with electric signals protects train movements over railroad crossing and drawbridge.
Audible warning sounded when dragging-equipment detectors operate
Ry Signaling Communications
Railway Signaling and Communication ; 43 , n 8
1950
2 pages
Article (Journal)
English
© Metadata Copyright Elsevier B. V. All rights reserved.
Engineering Index Backfile | 1945
|Engineering Index Backfile | 1945
|TIBKAT | 1970
|