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 98
reshortened because they do not show their true dimensionsin that position. 8. Problem 16. Exercise II, Sheet IV.—In Problem 16,we have a hexagonal pyramid, the elevation of which isinclined with its base a 6 at an angle of 30° with the horizon,as shown. The point h of the base should rest on the… … 20 PROJECTION DRAWING §2 a semicircle shoiild be drawn with the base a 6 as a diameter.The points / and g can be laid off on this semicircle with theradius of the semicircle subtending the arc as in the regularmanner for drawing a hexagon within a circle. Lines drawnfrom / and g vertical to a 6…