Imitative art;, or, The means of representing the pictorial appearances of objects, as governed by aerial and linear perspective: : being a manual of details, for the amateur sketcher and the man of business, with a chapter on finish. (1840)
Howard, Frank, 1805-1866, Darton & Clark, publisher, J. Green and Co., printer · London : Darton and Clark, Holborn Hill. · leaf 77
63 FOREGOING PRINCIPLES. summit, the base line of the side must incline to a point on the horizon or level of the eye. If an angle is to be presented in front, the method of representing a cube in similar position is to be adopted, with the same variation as in the last example, the omission of the… … and a greater diffusion of light on the illuminated side. The cast shadows as that of the cone. The base lines of both receding faces must incline to points upon the horizon or level cf the eye, as in the cube. These include the principal appearances of vertical and horizontal and inclined surfaces…
Drawing · Perspective · Shades and shadows · Surfaces · Drapery in art · Projection
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
