Hartford Steam Boiler Inspection and Insurance Company · Hartford, Ct. : Hartford Steam Boiler Inspection and Insurance Co · leaf 411
ling. Several test plates were returned out of shape, and some with displaced edges. This shows that the welders lacked the skill necessary to align and fix the parts to be welded. The melted iron at the joints in cooling exerts a tension and if the pieces to be welded are not fastened together… … MlCROPHOTOGRAPHS xl60 Fig. 43 X\ x!60
Locomotives · Steam-boiler explosions
Internet Archive · Carnegie Library of Pittsburgh · Public Domain Mark 1.0. Free to use for anything.