Appletons' cyclopaedia of applied mechanics: a dictionary of mechanical engineering and the mechanical arts (1880)
D. Appleton and Company, Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 821
has become so thick under the stamp that thefeeding-tappet does not touch the lever. Feeding is then stopped, to begin again when the rock hasbeen crushed from under the stamp. The feed is adjusted to the wear of the shoes and dies by thescrew F, and by moving the feeding-tappet B on the stem.… … trough at the bottom, which serves as the die or anvil. But in working gold ores it becomes of thefirst importance to prevent all leakage in the batteries, especially where quicksilver is used. Withwooden mortars this is next to impossible, especially if they are allowed to become dry; and…
Mechanical engineering -- Dictionaries
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