Hartford Steam Boiler Inspection and Insurance Company · Hartford, Ct. : Hartford Steam Boiler Inspection and Insurance Co · leaf 18
Fig. 3. Tool for Forming Stay-bolt Heads. 1914.] THE LOCOMOTIVE. … Fig. 4. Section of a Well Formed Stay-bolt Head. one more reason why sound finished heads should be required on stay-bolts inhigh grade boilers, for if the heads are well formed and show no sign of dis-tress we may be reasonably sure that the work is tight, that th bolts give a relia-ble support to…
Locomotives · Steam-boiler explosions
Internet Archive · Carnegie Library of Pittsburgh · Public Domain Mark 1.0. Free to use for anything.