Hartford Steam Boiler Inspection and Insurance Company · Hartford, Ct. : Hartford Steam Boiler Inspection and Insurance Co · leaf 156
for none of them seem to beapplicable to it. These theories are mostly based on the supposition that by some means, explainedin half a dozen different ways by as many theoretical experts, there is a sudden evolutionof force within the boiler, too powerful to be resisted by any practicable… … Fig. 3. This sudden evolution of force is said, by these experts, to arise from overheating thewater by contact with highly heated plates, or from superheated steam through whichthe water is diffused on being relieved of superincumbent pressure by a sudden escape ofsteam; and numerous cases are…
Locomotives · Steam-boiler explosions
Internet Archive · Carnegie Library of Pittsburgh · Public Domain Mark 1.0. Free to use for anything.
