Appleton's dictionary of machines, mechanics, engine-work, and engineering : illustrated with four thousand engravings on wood ; in two volumes (1873)
D. Appleton and Company · New York : D. Appleton and Co. · leaf 143
I.en-iniiliiKil S--cli . t Scale.—l-6th inch = 1 foot.Section through A B. … Scale.—1-clh inch = 1 foot.Section through CD. The bridges of these boilers arr it will be observed, of brick, and come tolerably close to the fcr-lace 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…
Mechanical engineering · Mechanics · Engineering
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