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 145
Longitudinal Section. Scale.—l-8th inch = 1 foot.Section through A B. … Scale.—l-8th inch = ]Section through CI The bridges of these boilers are, it will be observed, of brick, and come tolerably close to the fur-nace top. In such cases it is expedient to make the upper part of the bridge consist of one or two fire-brick blocks, which may be lifted off when a person…
Mechanical engineering
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