Hartford Steam Boiler Inspection and Insurance Company · Hartford, Ct. : Hartford Steam Boiler Inspection and Insurance Co · leaf 154
hen a boiler is completed and set to .work, destructive forces more or less severebecome active, and they must be carefully watched, or the working age of the boilerwill be materially shortened. The forces may be mechanical or chemical, or both.The mechanical forces are those usually arising from… … Fig. 1. strains will be as uniformly distributed as the conditions will allow In externally firedboilers it is well known that the bottom or fire sheets are more expanded than thetop sheets. Hence it becomes necessary to have such arrangements made in the settingor support that the boiler .shall…
Locomotives · Steam-boiler explosions
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