Hartford Steam Boiler Inspection and Insurance Company · Hartford, Ct. : Hartford Steam Boiler Inspection and Insurance Co · leaf 44
Fig. 3. In a test specimen of this form we have a clear length of eight inches of uniformsection in which we can observe the effect of the stresses upon each portion of its length,and thus form an excellent idea of the quality. The shorter the specimen under test, the greater will be the percentage… … Fio. -t. effect of stress upon a test bar. Fig. 4, the bar before stress is applied; Fig. 5, at theinstant of fracture. The drawings are made from an actual specimen. It will be seenthat at and near the point of the fracture the bar is drawn out and down much morethan it is a short distance away.…
Locomotives · Steam-boiler explosions
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