Twentieth century handbook for steam engineers and electricians, with questions and answers; a practical nontechnical treatise on the care and management of steam engines, boilers and electric machinery (1922)
Swingle, Calvin Franklin, 1846- [from old catalog] · Chicago, F. J. Drake & company · leaf 232
is claimed by the builders of under-feed stokers, andthe claim appears to have good foundation, that by pushingthe green coal up, so as to meet the upper crust of glowingfuel the gases on being distilled immediately come in con-tact with, and are consumed by the burning mass, and theformation of… … is the *fact that practically all of the coal is utilized, therebeing no waste caused by the slack coal or fine screeningsdropped through the grate bars into the ash pit uncon-sumed. A good substitute for the mechanical stoker is an outsidefurnace, by which is meant a boiler installation having…
