Experimental engineering and manual for testing (1903)
Carpenter, Rolla C. (Rolla Clinton), 1852-1919 · New York, J. Wiley & sons; [etc., etc.] · leaf 79
orm of the m.achine is shown in Figs. 35 and36, from which it is seen that the principles of constructionare the same as in the machine last described. §71.] STRENGTH OF MATERIALS—TESTING-MACHINES. 93 The intermediate platform or draw-head is operated byfour screws instead of by two, and there is a… … Fig. 36.—Thb Olsbn Testing-machine, Rear View. 71. The Olsen Autographic Apparatus.—This apparatusfor drawing strain-diagrams is entirely automatic, and isoperated substantially as follows: The diagram is drawn on a drum (103), parallel to the scale-beam, by a pencil actuated by a screw-thread cut…
Building materials · Machinery
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