Hartford Steam Boiler Inspection and Insurance Company · Hartford, Ct. : Hartford Steam Boiler Inspection and Insurance Co. · leaf 160
y. On the other hand, with a cleaneven fire, if we open the damper a bit, the draft gage reading in-creases because more air is flowing and the amount of increasetells us about how much more air is flowing. If the damper isclosed a bit, less air flows and the reading of the gage falls off.One thing… … -f^urnoceDr-aft JDraft TJjrough
Locomotives · Steam-boiler explosions
Internet Archive · University of Toronto Libraries · Public Domain Mark 1.0. Free to use for anything.
