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 214
Threads. — At A, Fig. 3, is shown a truedrawing of a square screw thread, which is given here simplyto show the appearance of a screw thread represented in thismanner. The draftsman seldom uses this method of repre-senting a screw thread on mechanical drawings; however, itis sometimes desirable to… … Fig. 3. Different Methods of representing a Square Thread At B, Fig. 3, is illustrated a method of drawing squarethreads which in appearance closely approximates the exactmethod. This method is too elaborate, however, for ordinarypurposes and the simpler method illustrated at C is more gen-erally…
Mechanical drawing
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