Kenison, Ervin, Gardner, Harry W, Lawrence, William Henry, 1868-, Everett, Herbert E. (Herbert Edward), 1863-1932, Gregg, D. A. (David A.), Von Holst, H. V. (Hermann Valentin), 1874-1955, Brown, Frank Chouteau, 1876-1947, Griffin, Charles Lewis, 1867-, Neubecker, William, 1864-, Zapf, Alfred E, American School (Lansing, Ill.) · Chicago, Ill. : [American School of Correspondence] · leaf 521
SHEET METAL WORK 109 the arc 4"-4"' twice the stretchout of the quarter circle eve as shown by similar letters a to e to a' in pattern. From j draw a line through a! intersecting all of the arcs as shown. l"-l'"-6"'-6" shows the half pattern for the ogee. While in the previous … than those employed in the previous problems. The upper curve shown from C to c will have to be stretched, while the lower curve shown from c to D will have to be raised. Therefore in the stretch- out of the pattern of the upper part from 1' to 3 and 3 to 5' the 503
Mechanical drawing
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