On the philosophy of painting: a theoretical and practical treatise.. (1849)
Twining, Henry · London : Longman, Brown, Green, and Longmans · leaf 448
shadow of this arm is the longest, because its direc-tion is nearest to the perpendicular at the same timerelatively to the wall and relatively to the rays; whereas,the shadow of the arm A is the shortest, because it ismost conformable to the direction of the rays. Therelations of the direction of… … 400 IHO.IIX TKI) SHADOWS. S/indows o/ Solid Bodies.—1 shall not enter into theintricate relations of the shadow to the projector, whichhave reference to cnhical and other solid forms, andwhich could not, without great difficulty, be reduced togeneral principles: but I shall confine myself to…
Painting · Aesthetics · Perspective
Internet Archive · California Digital Library · Public Domain Mark 1.0. Free to use for anything.