Hartford Steam Boiler Inspection and Insurance Company · Hartford, Ct. : Hartford Steam Boiler Inspection and Insurance Co · leaf 40
s a safe working pressure, and that would be running on afactor of safety of 5. Many boilers are run on as low a factor as 4, and 3.7, but the mar-gin is too narrow, especially the latter. Another fallacy in the old methods of construc-tion was.the tendency to crowd the boiler with tubes, thus… … Fig. 3.—Section through Fcrxace. 36 THE LOCOMOTIVE. [March, The proper bracing of the heads of the boiler is also important. The area of un-stayed portion above the tubes must be calculated, and the proper number of braces pro-vided for. I enclose blue prints and copies of our monthly paper, The…
Locomotives · Steam-boiler explosions
Internet Archive · Carnegie Library of Pittsburgh · Public Domain Mark 1.0. Free to use for anything.
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