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 392
Fig. 83 outer arcs may be drawn.Now, with a point on acenter line between bsand rg, and 7 feet 6 inchesbelow the horizon, anoth-er arc should be drawnwith a radius of 12 feet6 inches showing thelower curve g-b of thearch supporting the gal-lery wall. This arch,however, projects some-what and it is…
