A textbook on mechanical and electrical engineering (1902)
International Correspondence Schools · Scranton : International Textbook Co. · leaf 357
-\y<C line of the base in the plan is firstdivided by spacing it into a numberof equal parts (16 in the plan ofFig. 42). The points thus locatedare then projected to a view inwhich the cone is represented as inthe elevation of Fig. 42—that is, aright view—and lines are thendrawn from these… … § 15 PRACTICAL PROJECTION 83 In such a view of a cone as presented in the elevation ofFig. 43, only two of these elements (viz., A B and A C^ canbe shown in their true length—all the others are foreshort-ened. This must be borne in mind by the student, for itis evident that only on such lines as…
