A manual for teaching model-drawing : from solid forms, the models founded on those of M. Dupuis : combined with a popular view of perspective, and adapted to the elementary instruction of classes in schools and public institutions (1843)
Williams, J. Butler, Sir, Lowry, Joseph Wilson, 1803-1879 · London : J. W. Parker · leaf 200
usly applied to assist in the delineation of the forms that follow. In general terms we would say that bounding lines of surfaces should, if possible, be referred either to vertical or horizontal lines; and that in surfaces terminated by parallelograms the diagonals will generally be useful, either… … zontal, and above the level of the eye, the diagonals of the square base, drawn in perspective, mark by their intersection a point vertically below the apex of the pyramid. The apex must, therefore, be placed in some part of the upright line raised through that point of intersection. After the…
Drawing · Perspective
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
