Experimental engineering and manual for testing. For engineers and for students in engineering laboratories (1906)
Carpenter, Rolla C. (Rolla Clinton), 1852-1919 · New York, J. Wiley & Sons; [etc., etc.] · leaf 134
Fig. 50.—The Base-frame and Abutments. ranged so as to have sufficient lateral motion to keep in theline of the test-piece. 3. The weighing device. This is the especial peculiarity of § 6y.] STRENGTH OF MATERIALS—TESTING-MACHINES. 105 the Emery machine: instead of knife-edges, thin plates ofsteel… … Fig. 51.—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. 52 shows the form of fulcrums used for light forceswhen the steel fulcrums are in tension.
Building materials · Machinery
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