Journal of the Association of Engineering Societies (1881)
Association of Engineering Societies (U.S.) · New York, [etc.] Board of Managers · leaf 332
ASSOCIATION OF ENGINEERING SOCIETIES. 3°° It was determined that the plunger borings should be made after the baggage lift pits were completed, and to insure a water- tight pit, a plunger casting was devised, with a clamping ring and stud ring, between which the waterproofing was placed (see Fig.… … CAST IRON STUD RING. Fig. 8. Detail of Castings for Waterproofing Hydraulic Elevator Pits at Plunger Cylinder. This casting had to be set accurately and securely in posi- tion, hence the base course of concrete was carried through be- neath it, and the casting was set on same, and stayed by lateral…
Engineering
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