Manual of recommended practice for railway engineering and maintenance of way (1905)
American Railway Engineering and Maintenance-of-Way Association · Chicago, Ill. : The Association · leaf 159
Fig. I. AnnealedSpecimens. … Numberof Tests. Fig. 2. be I in. from the surface of the bar. The specimen for tensile test shallbe turned to the form shown by Fig. 2. The specimen for bending testshall be i in. by J^-in. in section. 8. Steel Castings : The number of tests will depend on the char-acter and importance of the…
Railroad engineering · Railroads
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