Appleton's dictionary of machines, mechanics, engine-work, and engineering (1861)
Appleton, firm, publishers, New York. (1852, D. Appleton & Co.) · New York : D. Appleton · leaf 338
977. 976. CORN-MILL. 331 points of division lines parallel to the radius J a, terminating them in the radius J c. These are theoutlines of the grooves, which are then to be cut into the stone, perpendicularly on one side and ob-liquely on the other, so that each furrow shall have a sharp edge. The… … it is obvious that when the former is reversed and set in motion, their sharp edges will meet each otherafter the manner of a pair of scissors, (as partially shown by the dotted lines in Fig. 941,) and thusgrind the corn more effectually when it is subjected to the action of the unbroken surfaces…
Mechanical engineering
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