Hartford Steam Boiler Inspection and Insurance Company · Hartford, Ct. : Hartford Steam Boiler Inspection and Insurance Co · leaf 10
he minds of manyengineers, partly because of a belief that steel pipe corrodes more freely and rapid-ly than iron pipe, and partly because experience indicates that it is harder to geta good thread on a steel pipe than upon an iron one. Mr. Frank N. Speller, of theNational Tube Company, has… … Fig. i.-—Old Form of Chaser, for Iron Pipe.
Locomotives · Steam-boiler explosions
Internet Archive · Carnegie Library of Pittsburgh · Public Domain Mark 1.0. Free to use for anything.
