Testimony of railroads, signal engineers, and representatives of manufacturers before Interstate Commerce Commission. (See also - no. 23, May 10, pp. 1145-1148; Ry. Rev vol. 74, nos. 20 and 21, May 17 and 24, 1924 pp. 888-889 and 893-896, and 927-929 and 933-934)
Hearing on automatic train control at Washington
Ry. Age
Railway Age ; 76 , n 25
1924
4 pages
Article (Journal)
English
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