structions in Section 138 have beenfollowed. 185. Now test the drawing by comparing lengths of lines and other suitable dimensions, and bymeasuring inclinations of lines. Remember that it is the apparent lengths and not the true lengths of lines of the object which are to becompared. To compare… … Fig. 27. on the projecting part of the pencil. Without moving the body, stretch out the arm straight to full length,then swinging the arm from the shoulder, bring the pencil so it appears near the right front edge of the top face.Now turn the hand, or the pencil in the hand until the pencil is…
Mechanical drawing · Lettering
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
