Hartford Steam Boiler Inspection and Insurance Company · Hartford, Ct. : Hartford Steam Boiler Inspection and Insurance Co · leaf 41
dure, as outlined by the operator,was as follows: First, he let the pressure off the boiler. Then he unscrewed thepipe plug from the end of the blow-off line and substituted an ordinarybottle cork in its place -— an operation that must have required ratherexpert manipulation. The next step was to…
Locomotives · Steam-boiler explosions
Internet Archive · Carnegie Library of Pittsburgh · Public Domain Mark 1.0. Free to use for anything.
