e. corresponding fall, as shown in Tables EXPERIMENTS ON WROUGHT IRON BARS SUB- V., VI., VII. and VIII. JECTED TO TENSILE STRAINS. When the bars were tested at low tem- The first experiments were made with peratures, they were taken from the freez- ing mixture, in which they had been lying twelve… … blocks, the box being filled with a freez- were rolled from the same pile, but to ing mixture of snow and salt. The bar prevent any error arising from the differ- was kept covered during the whole time ence of the two sections, three bars of the test was being made. At the back of this box a small…
Engineering
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