On the philosophy of painting: a theoretical and practical treatise.. (1849)
Twining, Henry · London, Longman, Brown, Green, and Longmans · leaf 453
bythe effect of this com-bined removal of thelight, to a position onthe surface B, at the same time lower down andfurther off. But the inferior position of the shadow,as projected at n, is due in this case, not to a greaterinclination of the rays, but to the greater distance tra-versed by them ;… … DIURNAL PROGRESSION OF SHADOWS. 403 parallel with the surface A, and in a direction whichis perpendicular to it. But the translocation of shadows which is the resultof the complex progressional motion of the sun, nevermanifests itself to us under these circumstances; forthe vertical or ascensional…
Painting · Aesthetics · Perspective
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