Simplified mechanical perspective for the use of ... schools (1909)
Frederick, Frank Forrest, 1866-1942 · Peoria, Ill., The Manual arts press · leaf 43
+ … 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.…
Perspective
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