Hartford Steam Boiler Inspection and Insurance Company · Hartford, Ct. : Hartford Steam Boiler Inspection and Insurance Co · leaf 74
upon curved water legs ; and in the absence of such tests, wehave frequently insisted upon triple-riveted butt joints being vised for the outside shell,in cases where large boilers are to carry heavy pressures. The Bigelow Company, ofNew Haven, Conn., has taken a special interest in this matter,…
Locomotives · Steam-boiler explosions
Internet Archive · Carnegie Library of Pittsburgh · Public Domain Mark 1.0. Free to use for anything.
