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 345
pective repre-sentation of the paral-lelogram a b c d in theelevation to the left con-taining the semicirculararch of the opening. The lines through thecorners of this parallel-ogram that give us theoctagon shape are lo-cated from the plan inprecisely the same man-ner as before, the pointsbeing…
