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 137
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… … Fig. 54.—Hydraulic Testing-machine. downward by the operation of the pump this draw-head ifmoved in the same direction and at the same rate. 69. Riehle Power Machines.—The machines in whichpower is applied by gearing are now more generally used thanhydraulic machines. Fig, 55 shows the design of…
Building materials · Machinery
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