Creighton, William Henry Paul, 1859- · New York, J. Wiley & sons; [etc., etc.] · leaf 32
rs Great economy of combustion is only secured by theadmission of the proper amount of air at the right time. Whenbituminous coal is thrown on the front of the grate it needs verylittle air as long as it is only drying out and heating up. When ELEMENTARY PRINCIPLES. 11 the coal commences to give… … gases on the other. It should be so arranged that repairs maybe easily made, the cleaning of either the inside or outside of theheating-surface should not be difficult, and its position should besuch that the steam-bubbles forming on it should free themselvesand rise easily. 12 THE STEAM-ENGINE AND…
Steam-engines · Heat-engines
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