Simplified mechanical perspective for the use of ... schools (1909)
Frederick, Frank Forrest, 1866-1942 · Peoria, Ill., The Manual arts press · leaf 23
18 SIMPLIFIED MECHANICAL PERSPECTIVE. angle of 60° to the left. Putting the line into perspective we find, ofcourse, the perspective of its end—as point A. After finding the perspective of point A as described above, findit by considering the same point as the end of a line making an angleof 30° to…
Perspective
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