Report of the Tests of Metals and Other Materials for Industrial Purposes Made With the United States Testing Machine at Watertown Arsenal, Massachusetts, Vol. 2 of 2

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Excerpt from Report of the Tests of Metals and Other Materials for Industrial Purposes Made With the United States Testing Machine at Watertown Arsenal, Massachusetts, Vol. 2 of 2: During the Year Ended June 30, 1886No. 2653. M R J Marks, b'lo Diameter, Sectional area, 25 square inch.Successive Successive Elogfilsfion elongation Porganoni permanent Remark 0. Total Per square pi per inch. Act. Inch. Pounds. I nch. I och. I ch Inch 250 0. 0. 0. 0. Initial load. 1. 250 000167 000107 2, 500 000400 15. 000 20, 000 000707 000107 25, 000 000007 000200 001107 35, 000 001333 000100 001307 57, 000 001400 000033 001433 0, 750 30. 000 001407 000030 10, 000 001533 10, 250 41. 000 001567 000034 10, 500 001007 000100 10, 750 43, 000 001733 11, 000 001707 000034 11, 250 5 001833 Eluctic limit. 11. 500 40, 000 001007 000134 11. 750 47, 000 002033 12, 000 48, 000 002133 000100 40, 000 002233 000100 12, 500 50, 000 12. 750 51, 000 002033 000200 13, 000 52, 000 000307 13, 250 58, 000 003033 13, 500 54, 000 004433 000800 13, 750 55, 000 000000 14, 000 50, £0 000400 001007 14, 250 57, 007400 001000 14. 500 58. 000 008400 001000 14, 750 50, 000 000433 001033 15. 000 00, 000 010007 15, 500 02, 000 012733 002000 10, 000 04, 000 014000 002107 10, 500 00, 000 017007 002107 17, 000 08, 000 010400 002333 70, 000 021733 002333 18, 000 72, 830 003100 18, 500 74, 0 027607 002834 10, 000 0300 78, 000 0333 0033 20. 000 80. 000 0307 82, 000 0400 0033 21, 000 81, 000 0467 0007 80, 000 0533 22. 000 88, 000 0007 22, 500 00, 000 0707 0100 22, 810 91, 240 1007 0300 Tensile strength. General summary. Tensile strength per square inch'of ori nai secti 91. 240 Elastic limit per acre inch of origina section (approx Elongation per inc after rupture inch. 0. 1800 Elongation per inch under strain at elastic limit 0 001833 Reduction in diameter at point of rupture '5' Reduction in area after rupture, per fintillil of original section 47. 2 Position of rupture Character of broken surface Elongation of inch sections Jun.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully, any imperfections that remain are intentionally left to preserve the state of such historical works.