Young, George, jr, Baxter, Hubert Eugene, joint author · New York, Macmillan · leaf 31
y be drawn. Moreover, when a body becomes more com-plex and many points have coincident projections on one oranother plane, as in Fig. 8, it becomes necessary to draw three ormore projections in order to avoid confusion. Simplicity and;clearness are highly desirable in this work. (See Fig. 7.) The… … Fio. 10 9. Representation on Paper. To outline a structure of anymagnitude, a jwint at a time, on three mutually perpendicularplanes of projection erected in space, would be far too tediousand quite impracticable. Methods must be found for dealingwith points in wholesale quantities, a line at a…
Geometry, Descriptive
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