Hartford Steam Boiler Inspection and Insurance Company · Hartford, Ct. : Hartford Steam Boiler Inspection and Insurance Co · leaf 321
on of a hot waterheating boiler that exploded on March 11 in the basement of a pumpingplant in Haverhill, Mass. This, too, was a closed system, but one havingan air-tight expansion tank and a differential relief valve. The top andthird sections of the boiler crashed upward through the first… … Figure 2 switch handles, breaking a slate panel, and piercing an iron grill pro-tecting the oil switch. The steel-trussed roof of the building was alsoraised by the concussion. One of the trusses pulled the brick side-wallabout four inches out of perpendicular at the resting place of the…
Locomotives · Steam-boiler explosions
Internet Archive · Carnegie Library of Pittsburgh · Public Domain Mark 1.0. Free to use for anything.
