Appleton's dictionary of machines, mechanics, engine-work, and engineering (1861)
Appleton, firm, publishers, New York. (1852, D. Appleton & Co.) · New York : D. Appleton · leaf 126
he interior surface of which may be considered as effec ive in generatingsteam, in place of the upper half only of the common horizontal flue. And this beneficial efficiency, it is probable, may be further increased, if thelower end of the inside flue was made a fewinches wider than the top, thus…
Mechanical engineering
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