Rogers' drawing and design; an educational treatise relating to linear drawing; machine design; working drawings; transmission methods; steam, electrical and metal working machines and parts; lathes; boiler and parts; instruments and their use; tables, etc (1913)
Hawkins, N. (Nehemiah), 1833- · New York, T. Audel · leaf 213
FiQ. 343. Pitch i 1^- i Pitch >k • -k Pfcf* … Fig. 3«. the threads, on both sides of the cylinder, then con-nect the roots by straight lines. It will be noticedthat these lines are not parallel to the lines connect-ing the tops of the thread. Fig. 347 shows a still simpler method of represent-ing a V-threaded screw. The pitch is laid oft as…
Mechanical drawing · Machine design
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