onical roll- that the rivet head gets close up to the neck and the ers, D and E, of which the roller, D, holds work fays close. The beveling is done correctly and at gnce, so that the result is smooth, clean, and accurate one flange or wing of the angle bar horizon- work; and the operation being… … Note is taken in advance of the angles which HcMURBAY'S SLEEFEB'S GUABD. SUITH'S IHPBOVED TDBNING LATHE. correspond to each point of the bar, each of these points being designated by a number, and these numbers are placed on the disk, O. When pediments, enabling the operator to place materials…
