Experimental engineering and manual for testing (1903)
Carpenter, Rolla C. (Rolla Clinton), 1852-1919 · New York, J. Wiley & sons; [etc., etc.] · leaf 76
plane table. Theintermediate platform, or draw-head, can be adjusted in dif-ferent positions by turning the nuts on the screws shown inthe cut. For tension-strains the specimen is placed betweenthe upper and intermediate head; for compression it is placedbetween the intermediate and lower heads. An… … downward by the operation of the pump this draw-head ismoved in the same direction and at the same rate. 69. Riehle Power Machines.—The machines in whichpower is applied by gearing ar;^ now more generally used thanhydrauHc machines. Fig. 34 shows the design of geared ma-chine now built by Riehle…
Building materials · Machinery
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