be used. umns are joined together by cast iron joint blocks, with cir- When completed, the parts cular tenons which fit.into the hollows of each tube. are put together or assem- To join two bars to resist a strain of tension, links or eye bled, as the technical phrase bars are used, from three to… … Fig. 18. FURNACE AND HYDRAULIC DIE. Fig. 15.^-A88EMBLING BRIDGE UNDER SHED joined together, and the result of numerous experiments Then they are marked with letters or numbers, accord- inch of the best bearing surface of the foot unused, but in- made at this establishment has shown that, under…
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