Engineering and Contracting . eaves. 460 Shovels, hand. 462 Skips. 464 Slate. 466 Sprinkling carts. 468 Standpipes. 470 Steam shovels. 472 Steel, structural. 474 Steel for reinf. concrete. 476 Stone, broken. 478 Stone dressing machs. 479 Street sweepers. 480 Stump Switches. 490 Tanks, water. 491 Tapes, machs. See 375. 492 Ties, steel. 498 Tile. Time keeping devices. See 92- . Traction engines. See 166. Track laying mach. See4I3. 499 Track tools. 500 Tracing Trench Trend] Turntables. 510 Valves, steam. 512 Valves,


Engineering and Contracting . eaves. 460 Shovels, hand. 462 Skips. 464 Slate. 466 Sprinkling carts. 468 Standpipes. 470 Steam shovels. 472 Steel, structural. 474 Steel for reinf. concrete. 476 Stone, broken. 478 Stone dressing machs. 479 Street sweepers. 480 Stump Switches. 490 Tanks, water. 491 Tapes, machs. See 375. 492 Ties, steel. 498 Tile. Time keeping devices. See 92- . Traction engines. See 166. Track laying mach. See4I3. 499 Track tools. 500 Tracing Trench Trend] Turntables. 510 Valves, steam. 512 Valves, water. 513 Vault lights. 514 Ventilators. 520 Wagons, Waterproofing. Well drills. See Wheel Wire cloth. Wire rope. See 430. The above is only a partial ilst of the headings in our Card Index. No matter what you want, TELL US and we will put you in prompt communication with the leading manufacturers, dealers or contractors. |u;;l 24, i(;o8. ENGINEERING-CONTRACTING 33. This is more than a portabledumping box PORTABLE dumping boxes for wagons are common. The^ Chicago Quick Dumper is more than a portable dumping is a bottom dump wagon box which by means of a special de-vice for operating the bottom doors distributes the load equallyover the front and rear wheels and allows the gear to becoupled up as close as 65 inches. Every teamster knowswhat this means—it means light draft. The box is sandtight; it fits any wagon gear having a reach. Take off the boxand the gear is ready for hauling lumber or poles or anything elsethat does not need a box. Put on the box and there is a highclass dumping wagon at a quarter of the cost of any ordinaryfixed box dumping wagon. Our C.^t.^log No. 22 tells all aboutche Chicago Quick Dumper. Over 600 are in use in Cliicago. BLACK MANUFACTURING CO. 130 East Ohio Street CHICAGO This is the Very Best metiium fur PROPOSAL ADVERTISING because Engineering-Contracting has upon its subscripti


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