Hartford Steam Boiler Inspection and Insurance Company · Hartford, Ct. : Hartford Steam Boiler Inspection and Insurance Co · leaf 134
the braces that tie them to theshell, would be exceedingly difficult, and we shall not attempt it in this place, but willmerely point out the nature of the problem, and give some of the principles that havebeen found to be satisfactory in practice. The object of the crown-bars, of course, is to… … Fig. 1.—Diagram of a Crown-Bar. nect the crown-sheet to the upper part of the shell by putting in a sufficient number ofcrow-foot braces; but in order to stay a large surface like a furnace crown in this man-ner, at the pressures that are often carried on boilers of this type, we should have to…
Locomotives · Steam-boiler explosions
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