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 468
s eee,placed at sucli distances apart as the dimensions of the cut sheets of paper are intended to be. Theseknives are made fast to the table, and against them a series of circular cutters ///, mounted in aBwinging frame g g, are intended to act. Tlie length of paper being brought along tlie table… … The frame gg, which carries tlie circular cutters ///, liangs upon a very elevated axle, in order thatits pendulous swing may move the cutters as nearly in a liorizontal line as possible; and it is made tovibrate to and fro by an eccentric or crank, fixed upon a horizontal rotary shaft extending…
Mechanical engineering · Mechanics · Engineering
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