Hartford Steam Boiler Inspection and Insurance Company · Hartford, Ct. : Hartford Steam Boiler Inspection and Insurance Co · leaf 30
Fig. 3.Fig. 3.—Rivet driven in slightly over set-holes. Point excentric and not symmetri-cal. Too flat to properly secure the calking edge of the plate. From photograph, fullsize. … Fig. 4. Fig. 4.—Rivet driven in badly over-set holes. Very weak. See Figs. 5, 6, and 7,which were sheared at the time of the explosion. Dark shading on lower end Fig. 4indicates an old crack. From photograph, full size.
Locomotives · Steam-boiler explosions
Internet Archive · Carnegie Library of Pittsburgh · Public Domain Mark 1.0. Free to use for anything.
