Kenison, Ervin, Bradley, Harry Cyrus, 1871-1936 · New York : The Macmillan Company · leaf 25
-tion is made on this basis. On account of this difference, theresulting views are more or less unlike those seen with thenatural eye. With natural vision, the same object, placed atvarying distances from the eye, appears smaller when fartheraway, while in orthographic projection the size of the… … Fig. 2. horizontal plane, and are top views. Figures 7, 8, and 10 areprojections on a vertical plane, and are front views. In eachcase the plane Q is a plane of projection. From these figures it is evident that one view of an object isnot sufficient to determine its size and shape, hence two ormore…
Geometry, Descriptive
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