A guide to pictorial perspective : with numerous illustrations (1851)
Green, Benjamin Richard, 1808-1876 · London : George Rowney and Co. · leaf 31
he circumstance of there being only one vanishing point,and that point the seat of the eye ; whereas in the obliqueview there are always two vanishing points ; again, by thedirection of the sides of the object to the spectator. Thusthe parallel view includes two out of the three positionsof… … PARALLEL AND OBLIQUE VIEWS ETC. 21 proportions (and hence it is oftentimes designated thegeometrical view) ; in the latter, being seen sideways, itappears greatly foreshortened. In plate 4, two represen-tations of the Chest are given in the parallel view,shewing that it is by no means necessary…
