Hartford Steam Boiler Inspection and Insurance Company · Hartford, Ct. : Hartford Steam Boiler Inspection and Insurance Co · leaf 88
ter, and had a flat wrought-iron headwhich was braced to the shell of the drum by four flat braces, each of which was 2^inches wide and | of an inch thick. These were each twelve inches long, and wereattached to head and shell in the manner shown in the cut, by a single |-inch rivet.Two 3^-inch… … An Improperly Braced Head. the drum by a circular opening 15 inches in diameter, which was not re-enforced.Since the steam pressure came equally upon the upper and lower sides of that part ofthe shell which lay within the dome, there was no strain produced in it, and thereforeno need of bracing.…
Locomotives · Steam-boiler explosions
Internet Archive · Carnegie Library of Pittsburgh · Public Domain Mark 1.0. Free to use for anything.
