hearing before subcommittee, 74th Congress, 2d session, on H.R. 2748, to promote safety of employees and travelers on railroads by requiring common carriers engaged in interstate commerce to intall [sic], inspect, test, repair, and maintain block signal systems, interlocking, highway grade crossing protective devices, automatic train stop, train control, cab signal devices, and other appliances, methods, and systems intended to promote safety of railroad operation, Mar. 4, 1936 United States Congress. House. Committee on Interstate and Foreign Commerce. text dcu Washington, D.C.] 1936 monographic eng

print

iii, 39 p. Document for sale by the Superintendent of Documents, paper. CRDP Program Historic Shelflist record. Railroads Signaling United States Y 4.IN 8/4:SI 2/2 Y 4.IN 8/4:SI 2/2 GPO 100713 20170826152503.0 hsl000704647