Hartford Steam Boiler Inspection and Insurance Company · Hartford, Ct. : Hartford Steam Boiler Inspection and Insurance Co · leaf 158
-purnoceJDraft JDraft Through … Fig. 2. Draft gages connected to boiler. ash-pit doors. Close the damper and note the draft gage reading.Open it a certain amount, say one-fourth, note the draft gage read-ing. Open it one-half, note the reading; open it three-quarters,note again; and then open it wide. Now look over the set of…
Locomotives · Steam-boiler explosions
Internet Archive · Carnegie Library of Pittsburgh · Public Domain Mark 1.0. Free to use for anything.
