. Official proceedings . OFFICI P R O C E EDINGS OF *l^°PerYear Vl Vol. MAY 26, 1932. The Manufacture of Comtnercial Aluminum andAluminum Alloys By DR. PAUL V. FARAGHER, Some Applications of Aluminum Alloys in theTransportation Field By A. H. WOOLLEN, Engineer, Development Division, Building a Concrete Dam On End and Blasting It Into Position By JAMES W. RICKEY, Chief Hydraulic Engineer, Aluminum Company of America LEWIS IRON, The Iron Superior Penn Iron & Steel Company, Creighton, Pa. SOLE SALES T. Ryerson & Son, Inc., Chicago, 111. OFFICIAL PROCEEDINGS OF The Railwa

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. Official proceedings . OFFICI P R O C E EDINGS OF *l^°PerYear Vl Vol. MAY 26, 1932. The Manufacture of Comtnercial Aluminum andAluminum Alloys By DR. PAUL V. FARAGHER, Some Applications of Aluminum Alloys in theTransportation Field By A. H. WOOLLEN, Engineer, Development Division, Building a Concrete Dam On End and Blasting It Into Position By JAMES W. RICKEY, Chief Hydraulic Engineer, Aluminum Company of America LEWIS IRON, The Iron Superior Penn Iron & Steel Company, Creighton, Pa. SOLE SALES T. Ryerson & Son, Inc., Chicago, 111. OFFICIAL PROCEEDINGS OF The Railway Club of Pittsburgh Organized October 18, 1901 Published monthly, except June, July and August, by the Railway Club ofPittsburgh, J. D. Conway, Secretary, 515 Grandview Ave., Pittsburgh, Pa. Entered as Second Class Matter February 6, 1916, at the Poetoffice at Pittsburgh, under the Act of March 3, 1879. : , \> ■ - ■-• Vol. 7. Pittsburgh, Pa., May 26,1932 $ Per Year25c Per Copy

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