Hatton, Richard G · London, Chapman & Hall ld. · leaf 140
rthe ground again. 38. Finding the V.L. of obliquely Ascendingor Descending Planes. It will be necessary to commence by drawing attentionto the characteristics of these planes. If an ascendingplane, instead of proceeding straight forward in a directmanner, rises somewhattoward the left or right,it… … Fig. 69.—An oblique plane,ground, making 40° with the io6 Perspective It is evident— (1) That the intersection AB will always be on theground, and therefore it may be followed right awayto the farthest edge of the ground-plane, that is to thehorizon. (2) That the inclination (30°) must occur, and…
Perspective · Drawing
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