Geometrical drawing, projection drawing, freehand and ornamental drawing, wash work and brush drawing, elementary perspective drawing, architectural drawing (1921)
International Correspondence Schools · Scranton, PA : International Textbook Co. · leaf 86
ngleis the same as the cylinder of Fig. 2, namely, 31 and hasits base 4 above the lower border line. Problem 6.—Fig. 6 has for the elevation a triangle, alsoidentical with that of Fig. 5 (and in drawing it place the baseo^ a level with that in Fig. 5), but the plan, being squar-Sfshows that Fig. 6… … 8 PROJECTION DRAWING §2 and one elevation will convey a general idea of the outlinesof any regular solid. In Problems 7 to 12, no new principleis introduced, as Problems 7 and 8 are drawings of polygonalsurfaces; Problems 9 and 10, polygonal prisms; and Problems11 and 12, polygonal pyramids.…