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 112
foundation of masonry, which should be well drained, as shown at d. The hearth itself is made of fire-clay, sloping outwards to the lip in order to make a clean run-out. The height of such a cupola is fromS to 10 feet; the tymp, as it may be called, (i. e., the tap,) is 12 by 16 inches high. (This…
Mechanical engineering · Mechanics · Engineering
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