Appleton's dictionary of machines, mechanics, engine-work, and engineering (1869)
New York, Appleton · leaf 659
r ball of iron m, in a highly heated state, is dropped in be-tween them, at their upper end, the frame-work being left open above for that purpose, and the slightinclination of the axis of the three rolls from the vertical plane, as indicated by the dotted lines bbb,causes the rolls gradually to… … By this means not only is the mass of iron gradually drawn down in the direction of the commonaxis, around which the rolls are arranged, but by the action of the rotating surface of the rolls, in aline nearly at right angles to this common centre, the iron is rotated on its axis and squeezed in a…
Mechanical engineering
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