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 586
/ fer^&l … From the foregoing it will be obvious that the extent of drawing action of either or both sets ofIrawing-roUers can be regulated at pleasure, by simply varying the size of the grooves and relativemotions of the draw-rollers on their axes, and their rotation on the axis of the bar of iron. It will…
Mechanical engineering · Mechanics · Engineering
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