00871cam a22002172  4500001001300000003000500013005001700018008004100035040001800076086002200094099002200116245018400138260003100322300001500353500007000368500004400438650004900482710008500531949001800616999001900634hsl000704285DGPO20170826152502.0100713s1929    dcu          f000 0 eng d  aGPOcGPOdMvI0 aY 4.IN 8/4:SA 1/7  aY 4.IN 8/4:SA 1/700aSafety appliances (train control) :bhearing before subcommittee, 70th Congress, 2d session, on H.R. 15094, to create board for safety and betterment of the people, Jan. 16, 1929.  a[Washington, D.C.],c1929.  aiii, 73 p.  aDocument for sale by the Superintendent of Documents, paper, 10c.  aCRDP Program Historic Shelflist record. 0aRailroadsxSafety applianceszUnited States.1 aUnited States.bCongress.bHouse.bCommittee on Interstate and Foreign Commerce.  aBEVbFed Docs  c262514d262514