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)
cases where the standard is to be departed frorn. 7 a 8d Fig. 164. in which event an end view may be added, or theview showing two sides may be given. To draw a square-headed bolt, the pencil lines aremarked in the order shown by figures in Figure 164.The inking in is done in the order of the… … Fig. 165. To draw the end view of a hexagon head, first drawa circle of the diameter across the flats, and then rest 126 MECHANICAL DRAWING SELF-TAUGHT. the triangle of 60 degrees on the blade s of the square,as at T I, in Figure 165, and mark the Hues a and b.Reverse the triangle, as at T 2, and…
Mechanical drawing
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
