Experimental engineering and manual for testing (1903)
Carpenter, Rolla C. (Rolla Clinton), 1852-1919 · New York, J. Wiley & sons; [etc., etc.] · leaf 59
Fig. 22/—Thomasset. interesting as being the prototype of the Emery testing-machine. Second, differential-lever machines, one kind of which isshown in Fig. 22^. This consists of a single lever with poise, towhich the draw-head is connected by links placed at unequal … Fig. 22^.—RiEHLfi. distances from the fulcrum. A machine of this form wasmanufactured at one time by Riehle Brothers. Third, compound-lever machines. These have been muchused in America for the last twenty years, and are manufacturedby Riehle Brothers, Olsen, and Fairbanks. In these machinespower…
Building materials · Machinery
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