ficulties natural draft of the boiler. ‘The result is that the soot of the ordinary reverse gear. There are two disks, one is blown back into the boiler, the draft is checked, and at the front and one at the back of gear, which are the steam pressure will drop. Allowing about a quarter of a minute… … made by the Power Specialty Company, 513 Washington arcade, Detroit, Mich., is a simple device entirely free from the disadvantages of the old method. It is in- stalled in the rear end of the boiler and blows the soot locked together for forward motion by throwing the _ with the natural draft of…
Shipbuilding -- Periodicals · Shipbuilding industry -- Periodicals
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
