Report of the Tests of Metals and Other Materials for Industrial Purposes Made with the United States Testing Machine at Watertown Arsenal, Massachusetts, During the Year Ended ...
U.S. Government Printing Office, 1909 - Building materials
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20 square inch Additional marks Appearance of fracture Applied loads Boston Elevated Railway branded Carnegie cent elongation Contraction of area Counterweighted at middle cubic foot deflections when ends Diameter at fracture Elastic limit Elongation of inch ends left full Ends supported 54 Failed by triple Flat ends Gauged length granular Height of column Imch Inch Inch inch sections Initial deflection Kahn bars Lap welded tubing left full bearing Load and deflections Loaded on head Mass Maximum Deflections neck nominal diameter old rail Permanent deflection Position of fracture pounds before testing pounds per square pression Punched ingot Rail not fractured Rečnforced Rolled H section Savage Arms Section of old Sectional area set in air silky spot sion ſº square Compres square Elonga STEEL RAIL Steel specimens Tensile strength testing machine tion Total fiber stress triple flexure Ultimate strength vertical Watertown Arsenal Weight per yard Width of base Wyman & Gordon