Hartford Steam Boiler Inspection and Insurance Company · Hartford, Ct. : Hartford Steam Boiler Inspection and Insurance Co · leaf 145
s. The causeof the defect, and the danger that arises from it, will be understood by referenceto the diagrams. Fig. ii is supposed to represent a section of pipe which has been threadedto the usual length, by a die of the usual thickness. (The taper of the threadis exaggerated, in these sketches,… … Fig. 9. — Eight-inch Pipe, which Could be Made Up only Three Threads. desired to cut a longer thread on the pipe than is shown in Fig. 11, it would benecessary either to use a die of greater length, or to run the present die furtheronto the pipe. The latter expedient is the one that is altogether…
Locomotives · Steam-boiler explosions
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