The Civil engineer and architect's journal, scientific and railway gazette (1839)
London : [William Laxton] · leaf 276
ES. Henby F. Bakeb, of Boston, United States of America, for a certain new tind useful improvement in steam-boiler furnaces.—Granted December 22, 184.7 ; Enrolled June 22, 1848. The annexed diagram represents a longitudinal vertical sectionof the furnace, as applied to the cylindrical boiler of a… … of preventing ashes from being carried into the reverberatorychambers ; in the addition of which, the peculiarity of the inven-tion consists. The bottoms of these chambers are placed belowthe level of the fire-bars, and the number of them may be four ormore as required. They are of a parabolic…
Architecture · Civil engineering · Science
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