D-c vibrating highway crossing bell; d-c coded track-circuit control system; methods of effecting economy and energy consumed in operation of track, and of signal circuits. (See also - discussion p 451-66) (mtg Mar 11 and 12 1935)
Committee IV -- Direct current automatic block signaling
Assn Am Railroads -- Proc (Signal Sec)
1934
34 pages
Article (Journal)
English
© Metadata Copyright Elsevier B. V. All rights reserved.
Committee IV -- Automatic block signaling
Engineering Index Backfile | 1939
Committee IV -- Automatic block signaling
Engineering Index Backfile | 1948
Committee IV -- Automatic block signaling
Engineering Index Backfile | 1936
Committee IV -- Automatic block signaling
Engineering Index Backfile | 1941
Alternating current automatic block signaling
Engineering Index Backfile | 1923