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 ...

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G.P.O., 1912 - Architecture
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Page 3 - The honorable the SECRETARY OF WAR. SIR : I have the honor to submit for transmission to 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, 1911 (OO file 37828/639).
Page 3 - Tests of Iron and Steel and Other Material for Industrial Purposes," made at that arsenal during the fiscal year ended June 30, 1911.
Page 5 - ... during the fiscal year ending June 30, 1911. The total number of...
Page 46 - ... TEST 14722. From same coil as 3-A or Sample No. 3. This sample was annealed at 1,500 F. for 1 hour and allowed to cool slowly in furnace for about 9 hours; annealed the second time at 1,500 F. for 3 hours and allowed to cool in furnace for about 9 hours. Marks: 3-B. Dimensions, 0.1267 by 0.1270 in.
Page 55 - Diameter at fracture, 1.02 in. Sectional area, 0.817 sq. in. Contraction of area, 18.3 per cent. Position of fracture, 1 in. from the neck. Appearance of fracture, amorphous 90 per cent, granular 10 per Applied loads per sq.
Page 170 - SAMPLES OF THREE-STRAND MANILA ROPE FOR WATERTOWN ARSENAL, MASS. Samples prepared for testing with eye splices at the ends. Splices wet five hours before testing.
Page 45 - Position of fracture, 0.75 in. inside gauge mark. Applied loads. In gauged length. Per inch. Remarks. Total. Per square incn. Elongation. Set. Elongation. Set. Lb. Lb. In. In. In. In. 80 5,000 0 0 0 0 161 10,000...
Page 48 - ... 170,000 .2469 .0545 .00823 .00182 2,816 175,000 .2628 .0633 .00876 .00311 2,896 180,000 .2810 .0749 .00937 .00250 2,977 185,000 .3025 .0904 .01008 .00301 3,057 190,000 .3295 .1094 .01098 .00365 3,138 195,000 .3630 .1333 .01210 .00444 3,475 200,000 .4030 .1663 . 01343 .00554 3,511 218,300 Tensile strength. SAMPLE No. 3. REEL 778. Diameter of coil, free, 23 in. Marks, 3-A. Dimensions, 0.1252 by 0.1254 in. Sectional area, 0.01570 sq. in. Sectional area, used as 0.01571. Gauged length, 30 in. Elongation...
Page 60 - Requirements for springs (see drawing 2-16-91). To sustain a load of 516 Ib. at a height of not less than 23.33 in. To become solid under a load of approximately 1,164 Ib. at a height of not over 7.85 in. To enter over a bar 3 in. in diameter when free. To measure not over 5.56 in. outside diameter when solid.
Page 72 - Kequirements (drawing 2-16-91): To sustain a load of 516 Ib. at a height of not less than 23.33 in.; to become solid under a load of approximately 1,164 Ib. at a height of not over 7.85 in.; to enter over a bar 3 in. in diameter when free; to measure not over 5.56 in. outside diameter when solid.

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