Journal of the Association of Engineering Societies (1881)
Association of Engineering Societies (U.S.) · New York, [etc.] Board of Managers · leaf 253
bridge wall, five to each flue, but this is advised against by some of the best authorities. The gases, after leaving the furnace tubes, pass underneath the boiler to the front, then back along the sides to the underground flue. Such a boiler would have 36 sq. feet of grate surface and about 1,000… … Fig. 2. Lancashire Boiler. rate it is not very economical, but if used at a lower rate or in con- junction with an economizer it is as economical as any other type of boiler. It is a boiler that is very easy to keep clean, since every portion of the surface, inside and outside, is easy of access.…
Engineering
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