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 73
MECHANICAL DRAWING. II formed by the material which is left between the successive turns of the helical groove. A cylinder having such a helical groove cut around it is called a screw, and a piece having a cylindrical hole in it with a helical groove cut around the hole is called a nut. The most… … and the depth of the thread, A K. First draw the two projections of a cylinder of a diameter equal to the outside diameter of the screw. Half of the end view is sufficient. On the line A E of this cylinder lay off A C equal to the pitch, and starting at A draw the helix A B C D, as de- scribed for…
Mechanical drawing
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