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 27
should learnat the start to open and close them with one hand, holding 12 GEOMETRICAL DRAWING §1 them as shown in Fig. 26, with the needle-point leg resting between the thumband fourth finger, andthe other leg betweenthe middle and fore-finger. When draw-ing circles, hold thecompasses lightly atthe…