Hartford Steam Boiler Inspection and Insurance Company · Hartford, Ct. : Hartford Steam Boiler Inspection and Insurance Co · leaf 13
and slightly flat on the top, and thenfour that are imperfect on both the top and the bottom; the total length that is scoredby the die on the pipe being 1.80. This is what the standard calls for, as we havesaid; but when we come to look at the threads that are actually turned out in the shops,we… … Fig. 5. — Four-inch Pipe ; Made up Only Four Theads and a Half on One End. arc! calls for a total length of 2.01. Now when a pipe is threaded in such a carelessmanner as that, it cannot possibly be made up into a standard fitting to the full numberof threads that are called for in this system, and…
Locomotives · Steam-boiler explosions
Internet Archive · Carnegie Library of Pittsburgh · Public Domain Mark 1.0. Free to use for anything.
