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 31
natural, amno difficulty will be experienced. 20. The beginner will find that it is not always easy tomake smooth lines. If the pen is held so that only oneblade bears on the paper when drawing, the line will almostinvariably be ragged on the edge where the blade does notbear. When held at right… … Fig. 32 triangle, as the blades will then close together, making theline uneven. The edge should serve as a guide simply. In drawing circles with the compass pen, the same careshould be taken to keep the blades perpendicular to thepaper by means of the adjustment at the joint. In boththe rilling…