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 937
e-2i.m. 4. The ever-changing action of the mill, and the quick discharge of the substance ground, prevent theplates from becoming heated, so that it may be profitably employed in grinding substances which inother mills would be either spoiled or deteriorated in quality, or which could not be ground…
Mechanical engineering · Mechanics · Engineering
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