Hartford Steam Boiler Inspection and Insurance Company · Hartford, Ct. : Hartford Steam Boiler Inspection and Insurance Co · leaf 8
fCl\tCH Vm-VC! Fig. 1.—Arrangement of Returns with Equalizing Pipe. fully understand the existing condition; but. generally speaking, check-valves shouldbe placed in the main returns near the boiler, so that should failure occur in the pipingor radiators the water would not escape from the boiler.…
Locomotives · Steam-boiler explosions
Internet Archive · Carnegie Library of Pittsburgh · Public Domain Mark 1.0. Free to use for anything.
