smaller. The beginner,knowing that both parts are equal, and drawing whathe remembers, and not what he actually sees, willusually draw the two parts of the same size. Theapparent size of an object (and it is the apparent sizewith which we must deal in Model and Object Draw-ing) depends upon the… … by the converging dotted lines. You perceive that the angle ofvision aeh isconsiderablylarger than,the angle ofvision cecZ,and that thea l^ p a rentlength of cd,as comparedwith 06, isonh equal to cd\ or about A one-half of iha apparent length of ah. This apparent ditfer-cnce in the length of the…
Drawing
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![An illustration from Brief synopsis of the course of lectures in descriptive geometry; as arranged for the first year Faculty of Applied Science and Engineering, University of Toronto. [By] J. Roy Cockburn (1922)](https://img.insideoutlibrary.com/img/200/ia-fybriefsynopsiso00cockuoft-7-2.webp)
