Young, George, jr, Baxter, Hubert Eugene, joint author · New York, The Macmillan Co. · leaf 29
ally 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 andclearness are highly desirable in this work. (See Fig. 7.)… … Fig. 10 9. Representation on Paper. To outline a structure of anymagnitude, a point 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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