Hartford Steam Boiler Inspection and Insurance Company · Hartford, Ct. : Hartford Steam Boiler Inspection and Insurance Co · leaf 183
per side of the tube, and one nearthe right-hand end. In some cases these have fanciful andfantastic shapes, resembling fungus growths on the metal.These blisters or fungus-like growths may be easily removed,and the surface of the metal below will be found to be of areddish black color. It may be…
Locomotives · Steam-boiler explosions
Internet Archive · Carnegie Library of Pittsburgh · Public Domain Mark 1.0. Free to use for anything.