Appleton's dictionary of machines, mechanics, engine-work, and engineering (1869)
New York, Appleton · leaf 586
From the fore^oin^ it will be obvious that tint extent of drawing action of either or both -irawing-roUers can be regulated at pleasure, by simply varying the size of the grooves and relativemotions of the draw-rollers on their axe-, and their rotation on the axis of the bar of iron. It will be…
Mechanical engineering
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
