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 140
chine is shown in Figs. 56 and57, :rom which it is seen that the principles of constructiont^v, the same as in the machine last described. § 7l • J S TR!-NG TH OF MA TERIALS— TESTING-MA CHINES. I I I The intermediate platform or draw-head is operated by-four screws instead of by two, and there is a… … 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 to a fine pitch 112 EXPERIMENTAL ENGINEERING.…
Building materials · Machinery
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