Mechanical drawing; a treatise on the drawing of mechanical and machine details (1920)
Jones, Franklin Day, 1879-1967 · New York, The Industrial press; [etc., etc.] · leaf 138
clearlythese two openings, and also the shape of the casting in aplane A-A. This drawing illustrates the use of printed in-structions. When the patternmaker receives the drawing, henotes that the elongated hole, which is 1 inch long and ifinch wide, is to be cored. Consequently, it is necessaryto… … Machinery Fig. 29. Drawing of a Brake Band Anchor fact that the elongated hole is to be broached is also indi-cated, and the method of finishing the sides of the casting,which in this case are to be disk-ground. The radius of themain part of this casting is given as 7 inches, and the zig-zagradial…
Mechanical drawing
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