Hartford Steam Boiler Inspection and Insurance Company · Hartford, Ct. : Hartford Steam Boiler Inspection and Insurance Co · leaf 171
nd steel electrically welded, but the welds of dissimilarmetals by the electrical process are, we are informed, just as perfect as between twopieces of iron. Fig. 2 shows the external appearance of the electrically welded bar; it shows theupsetting of the ends of the bars as they are brought… … Fig. 3.
Locomotives · Steam-boiler explosions
Internet Archive · Carnegie Library of Pittsburgh · Public Domain Mark 1.0. Free to use for anything.
