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 429
410 MILLS, GRAIN. of milling can be perfect without the use of buhr-stones, and that such furnish the only proper grind-in surface; that the stones should not be large and heavy, or horizontally superposed, or run at lowvelocity but that on the contrary they should be light, hung vertically face to… … high speeds. In the former case there is mashing and over-grinding; in the latter there is neither,while high speed produces the necessary grinding surfaces. CYLINDER-MILLING.—The cylinder or roller null (Walzenmiihh) of the Hungarians consists in itssimplest elements of two small, parallel,…
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