Hartford Steam Boiler Inspection and Insurance Company · Hartford, Ct. : Hartford Steam Boiler Inspection and Insurance Co · leaf 86
Rivet-Heads. Iu the course of our examinations we sometimes find rivets very badly proportioned.The heads will be too small, in hand-riveting they are quite apt to be much too flat,which makes them thin at the edges, so thin that they are liable to burn off and leave avery bad looking and insecure… … Fig. 1. Fig. Our illustrations this month show what we have found by experience to be goodproportions for hand-driven rivets for boiler shells. In all the cuts, the full lines showthe plates, and the outlines of the finished rivets; the clotted lines show the outlines ofthe same before driving.…
Locomotives · Steam-boiler explosions
Internet Archive · Carnegie Library of Pittsburgh · Public Domain Mark 1.0. Free to use for anything.
