48 MWARTNE RE Vien Ww ! June, 1922 MADE OF THE HIGHEST GRADE OF CAST STEELYW@ Some of the largest shipbuilding companies in the United States are specifying ty St Powell Cast Steel Valves They are ‘absolutely dependable in every particular, being entirely free from porous defects. . All valves are given a thorough tensile strength and hydrostatic pressure test before shipments are made. { Specify POWELL CAST STEEL VALVES Write for descriptive circular , Ship Builders and Ship Repairers. Plant located at Newport News, Virginia on Hampton Roads. Three large Graving Dry Docks. Steel, Brass and Iron Foundries. Heavy and Light Forgings. Complete Facilities at one plant for doing any ship repair job quickly. ) 4) ; “¢ . Please mention MARINE Review when writing to Advertisers Fes ta