Mechanical drawing self-taught: comprising instructions in the selection and preparation of drawing instruments, elementary instruction in practical mechanical drawing together with examples in simple geometry and elementary mechanism, including screw threads, gear wheels, mechanical motions, engines and boilers (1883)
ed by lines, the lines on the taper parts meetingthose on the parallel part A, and becoming morenearly parallel to the axis of the piece as the centreof the piece is approached. Th(* same is the casewhere a piece having a curved outline is drawn, whichis shown in Figure 107, where the set of the… … Fig. 107. the piece, as upon the lines A, B, C, the dotted linesshowinof the radius for each curve. The lines are made finer by closing the pen pointsby means of the screw provided for that purpose.The pen requires for this purpose to be cleaned ofthe ink that is apt to dry in it. In Figure 108…
Mechanical drawing
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
