Simplified mechanical perspective for the use of ... schools (1909)
Frederick, Frank Forrest, 1866-1942 · Peoria, Ill., The Manual arts press · leaf 44
38 THE PERSPECTIVE OF CIRCLES, according to the method explained in Problem IX,- the perspective ofthe circle—the ellipse—may be drawn through the perspective of theeight points 1 to 8 inclusive. Problem XXII. Plate vertical. Scale J4=10. S. P. 160 to right and lOabove. C. V. 15 0 from S. P., P. L.… … To find the perspective of the circle draw the perspective of thesquare with its diagonals and diameters, and find the perspective of thepoints 1 to 8. 2, 4, 6 and 8 are found at the ends of the diameters, 1and 5 on the diagonal parallel to the picture plane, as points are usu-ally located, and…
Perspective
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