. Official proceedings . Mm SEPT. 25. 1919 No. *The Economic Disposal of Waste Material. By Major Howard L. Beach, Clark Car Co., Pittsburgh, Pa. Steel Car Forge Company == Pittsburgh, Pennsylvania ^^^^= PORGINGS FOR SALE ARMCO IRON WELDING RODS Are practically pure iron and are peculiarly free —> A from the impurities that ordinarily \« M p/ / destroy the homogeneity of the weld. - PAGE STEEL & WIRE CO. ^ Plants, Monessen, Pa., and Adrian, Office, Union Arcade Bldg.

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