of the metal, a casting from eachbeam was fractured by the suspension of a dead weight of pig-iron from the centre. The following are the results of theseexperiments :—Experimental Test of Beaais 22 feet 6 inches between the Supports. Tons, cnt.7 0 on the centre7 18 „ 91011121313U151617181819202122… … inches > Expeeimentax Test of Beams 27 feet 4 inches between the Supports, DeflectionCons. cwt. in inches. 8 15 on the centre . . 50 9 12 „ „ . . -56 10 9 „ „ . . -59 11 6 „ „ . . -65 12 3 „ „ . . -75 13 0 „ „ . . -84 13 17 „ „ • . -93 14 14 „ „ . . 1-06 15 11 „ „ . . 1-12 16 8 „ „ . . 1-18 17 5…
Building, Iron and steel
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