000			01157cam a22002052 4500
001			hsl000704647
003			DGPO
005			20170826152503.0
008			100713s1936 dcu f000 0 eng d
040			_aGPO _cGPO _dMvI
086	0		_aY 4.IN 8/4:SI 2/2
099			_aY 4.IN 8/4:SI 2/2
245	0	0	_aRailway signal systems : _bhearing 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.
260			_a[Washington, D.C.], _c1936.
300			_aiii, 39 p.
500			_aDocument for sale by the Superintendent of Documents, paper.
500			_aCRDP Program Historic Shelflist record.
650		0	_aRailroads _xSignaling _zUnited States.
710	1		_aUnited States. _bCongress. _bHouse. _bCommittee on Interstate and Foreign Commerce.
949			_aBEV _bFed Docs
999			_c262549 _d262549