Freehand perspective and sketching; principles and methods of expression in the pictorial representation of common objects, interiors, buildings and landscapes (1910)
Norton, Dora Miriam · Brooklyn : D. M. Norton · leaf 178
^< i I-ja2S**J»j«)ffi5i<*irAlcC«i<!«_r»»u«vxc»»a»oMa^^ 249, p. 34). In per-spective it is bestplaced by its truecenter. If the conewere moved on theground around andtouching the cylin-der, this centerwould describe acircle, twice thediameter of thecylinder base, andequally distant atevery… … asatS>i*«iiK.ais.4». FREEHAND PERSPECTIVE
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