Hartford Steam Boiler Inspection and Insurance Company · Hartford, Ct. : Hartford Steam Boiler Inspection and Insurance Co · leaf 134
0OILERS STOP REDUCER CHECK VALVESVALVE … STOP VALVE Fig. 25. rience of manufacturers that a check-valve will not wholly stop the flowing back of theliquor, and even two or three have been jjut in without curing the trouble. Of course, if a separate boiler could be used to boil the rotaries, and no otherconnections were made to it, the…
Locomotives · Steam-boiler explosions
Internet Archive · Carnegie Library of Pittsburgh · Public Domain Mark 1.0. Free to use for anything.
