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20 square inch Additional marks Appearance of fracture bearing against plat Boston Boston Elevated Railway branded Carnegie 1902 E T cent elongation Compres Contraction of area Counterweighted at middle cubic foot Deflection sets Deflections at middle deflections when ends Diameter at fracture Elastic limit Elongation of inch ends left full Ends supported 54 Failed by triple feet Flat ends gauged length granular Hori inch sections Initial deflection Initial load Lap welded tubing left full bearing Load and deflections Loaded on base Loaded on head loads per square Mass Maximum fiber stress nominal diameter old rail Portland cement pounds per square pression Rail not fractured Rolled H section running surface Savage Arms Section of old Sectional area sion Steel Rail stress per square Tensile strength testing machine Thickness of tubing tion Total triple flexure Ultimate strength Vertical Watertown Arsenal Weight of column Weight per yard Width of base Wyman & Gordon zontal
Page 6 - Philadelphia, Pa. Johnson, Albert L., consulting engineer, St. Louis. Mo. Lanza, Gaetano, professor of theoretical and applied mechanics. Massachusetts Institute of Technology, Boston, Mass. Lesley, RW, president American Cement Company, Philadelphia, Pa. Marburg, Edgar, professor of civil engineering, University of Pennsylvania. Philadelphia, Pa. Mills, Chas.
Page 3 - Secretary of War. The SPEAKER OF THE HOUSE OF REPRESENTATIVES. WAR DEPARTMENT, OFFICE OF THE CHIEF OF ORDNANCE, Washington, February o, 1904.
Page 6 - George F. Swain, professor of civil engineering, Massachusetts Institute of Technology, Boston, Mass.; Mr.
Page 3 - Congress, as required by law, the report of the commanding officer of Watertown Arsenal of Tests of Iron and Steel and other Material for Industrial Purposes made at that arsenal during the fiscal year ended June 30, 1908.
Page 40 - .505. Sectional area, .20 square inch. Gauged length, 3". Elongation of inch sections, ".21, ".54*, ".23. Diameter at fracture, ".31; area, .0755 square inch. Contraction of area, 62.2 per cent.
Page 192 - Speed of rotation, 500 per minute. Length between end supports, 33". Loaded over 4" length at middle. Deflections measured on chord of 10".
Page 5 - SIR: I have the honor to submit herewith the annual report of tests of iron and steel and other materials made at this arsenal during the fiscal year ended June 30, 1908.