Hartford Steam Boiler Inspection and Insurance Company · Hartford, Ct. : Hartford Steam Boiler Inspection and Insurance Co · leaf 105
w are not very distinct, but they serve to show that the effect of ablow on metal penetrates farther below the surface than at first appears. The fiber wasdisturbed, and made it possible for the acids to act upon the disturbed portion. Fig. 4was from a piece of ordinary iron pipe. It was treated in…
Locomotives · Steam-boiler explosions
Internet Archive · Carnegie Library of Pittsburgh · Public Domain Mark 1.0. Free to use for anything.
