Hartford Steam Boiler Inspection and Insurance Company · Hartford, Ct. : Hartford Steam Boiler Inspection and Insurance Co · leaf 26
JbiGs. I, 2, AND 3. — Showing Defective Rivet-Heads. and we then provide for a considerable margin of ignorance by allowing afactor of safety that our experience has shown to be sufficient. But in orderfor this mode of procedure to be justifiable, the construction of the boilermust be good in all…
Locomotives · Steam-boiler explosions
Internet Archive · Carnegie Library of Pittsburgh · Public Domain Mark 1.0. Free to use for anything.