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 301
lperspective is applied to a drawing of an object seen in thisway because many of the lines in the object are parallel to theface plane of the observer, and therefore parallel to oneanother. This class of perspective, as well as birds-eyeviews and the perspective of circles, will be discussedlater.… … SD-ILT 53D S5 ELEMENTARY PERSPECTIVE DRAWING 21 SUBDIVISION OF VERTICAL LINES 16. The subdivision of the vertical elements so as to rep-resent them in perspective, drawn to scale, is a very simplematter, as the direct proportion between vertical heights canbe determined at any desired point by…
