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Ninth Annual Meeting
International Standard of Analysis of Iron and Steel By Jno W Langley
Discussion of Langleys Paper
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A. E. Hunt Allegheny Allegheny County Allegheny river American Society amount appointed Becker black powder brick bridge building stone cartridge cent centre chemists Civil Engineers clay committee Conemaugh cost county engineer crushing cut-water cylinder Date of Membership Dempster diaphragm drift durable dynamite elastic limit elected explosion F. C. Phillips feet granite H. D. Hibbard heat highways I. S. McGiehan inches iron J. A. Brashear J. W. Langley Johnstown Kirk L. S. Clarke limestone load masonry material matter meeting metal Metcalf miles paper Pennsylvania Pennsylvania railroad phonograph pier Pittsburg plate portion pounds President rail railroad record river road directors rock sandstone Sept Simplon railway South Fork dam specimens square steel stream strength stria T. P. Roberts tensile strength testing machines Thaw tion tons township W. L. Scaife weight weld