Journal of the Association of Engineering Societies (1881)
Association of Engineering Societies (U.S.) · New York, [etc.] Board of Managers · leaf 141
125 CRUSHING TESTS ON BRICKS. One hundred and forty-seven tests were made with the one- piece spherical bearing and a ball-and-socket bearing made by Riehle Brothers of Philadelphia, and shown in Figs. 1-a and 1-b. P is a cast-iron cup which rests upon the base of the machine ; D is a flat steel… … Pig1. 1-B. Ball-and-Sockfet Bearim which. E. is semi-spherical and rests in the cup F. Before plac- ing this bearing in the machine, the surfaces of E and F, which are in contact, were thoroughly lubricated with hard-oil in order that they would slide upon each other as freely as possible, there-…
Engineering
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