Notes on practical mechanical drawing, written for the use of the students in general engineering drawing in the University of Illinois (1907)
Wilson, Victor Tyson, 1864- [from old catalog] · State College, Pa., The author · leaf 124
^7^ i! iII I The first change from the accurate thread is to make thecurves straight (as shown in Fig. 32). The next changeto make is, in the case of the V thread, to omit the saw toothedge, leaving just the longer and shorter lines, as .shown,making the limits of the screw a cylinder. Another…
Mechanical drawing
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
