Hartford Steam Boiler Inspection and Insurance Company · Hartford, Ct. : Hartford Steam Boiler Inspection and Insurance Co · leaf 391
ze the need ofcomplete cooperation with our inspector, when an investigation of thiskind is necessary, but also to repeat the old warning that a boiler oflap seam construction is a source of hidden danger which increasesyear by year with each change in pressure and temperature. The opinionexpressed… … Figure 4 the belief that after 20 years of service at a pressure of 100 lbs., ormore, the lap seam boiler constructed according to practices which werestandard at that time is likely to have developed defects affecting itssafety to such an extent that a reduction in stresses by reducing theworking…
Locomotives · Steam-boiler explosions
Internet Archive · Carnegie Library of Pittsburgh · Public Domain Mark 1.0. Free to use for anything.
