Hartford Steam Boiler Inspection and Insurance Company · Hartford, Ct. : Hartford Steam Boiler Inspection and Insurance Co · leaf 168
loaded safety-valves. These defectsrather force themselves on the attention of the owners; but there are many other kindsof defects that are not so obvious, though they may be fully as dangerous. Amongthese less patent defects are cracked plates. Frequently cracks start from the edge of the plate,… … Fig. 1.—A Cracked Plate. feed-water is discharged on or near the fire-sheet, it chills the shell in that vicinity, andproduces a powerful local contraction of the metal, which is quite sufficient to start thejoints, or, under some circumstances, to even crack the solid plate. But whatever thecause…
Locomotives · Steam-boiler explosions
Internet Archive · Carnegie Library of Pittsburgh · Public Domain Mark 1.0. Free to use for anything.
