Hartford Steam Boiler Inspection and Insurance Company · Hartford, Ct. : Hartford Steam Boiler Inspection and Insurance Co · leaf 187
Figs. 2 and 3.— Methods of Failure of the Ring. to admit of the cover-bolts, or bolts by which the cover is held in place; andbeneath the flange there are brackets with pivot-bolts between them, upon whichthe cover-bolts can turn. When the cover or door is to be opened, the nutsare slacked up (but…
Locomotives · Steam-boiler explosions
Internet Archive · Carnegie Library of Pittsburgh · Public Domain Mark 1.0. Free to use for anything.
