Invitation for proposals to furnish steel rails, angle bars, track bolts and spikes, wooden tie plugs, pumps, tubular boilers, repair parts for steam shovels, jacks, shovels, steel, cast-iron tees, wire rope, thimbles and cleats for rope, chain shackles, iron rings, bolts, forged nuts, iron washers, screws, blocks, saws, bronze knobs for locks, safes, water gauges, valves, lumber, et cetera.