Experimental engineering and manual for testing (1903)
Carpenter, Rolla C. (Rolla Clinton), 1852-1919 · New York, J. Wiley & sons; [etc., etc.] · leaf 73
Fig. 29.—The Base-framk and Abutments. line of tne test-piece. 3. The weighing device. This is the especial peculiarity of § 6;.] STRENGTH OF MATERIALS—TESTING-MACHINES. 87 the Emery machine: instead of knife-edges, thin plates ofsteel are used, which are flexed sufficiently to allow the neces-sary… … Fig. -Beam for Platform-scale. 0.05 inch thick, and the blades are so wide that the stressdoes not exceed 40,000 to 60,000 pounds per square inch. Fig. 31 shows the form of fulcrums used for light forceswhen the steel fulcrums are in tension.
Building materials · Machinery
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