Hartford Steam Boiler Inspection and Insurance Company · Hartford, Ct. : Hartford Steam Boiler Inspection and Insurance Co · leaf 20
ases the pawl holding up the main stop valve. The mainstop valve is arranged to serve both as the regular operating stop valve orthrottle, and in emergencies, as a quick closing or releasing valve. It closesunder the action of a spring when the pawl is tripped. The spindle of thestop valve is made… … Fig. 3. The Damaged Roof. Showing Fragment of Generator Frame. spindle the valve is manipulated, while the hand wheel itself remains at afixed height. The engineer in charge thought it inconvenient not to be able toknow how far the valve was open. He therefore constructed an indicatingdevice and…
Locomotives · Steam-boiler explosions
Internet Archive · Carnegie Library of Pittsburgh · Public Domain Mark 1.0. Free to use for anything.
