Perspective, or, The art of drawing what one sees : explained and adapted to the use of those sketching from nature (1872)
Collins, W. H. (William Henry) · London : Longmans, Green · leaf 41
23 POSITION OF THE PLANE OF PICTUEE. should be a complete one, the plane of the picture should have been extended equally far on the other side of the axis. Fig. 8, … All the dotted rays should have been allowed to project themselves upon the glass. Another suf- Fig. 9. ficient reason would be that in looking at anything one instinctively puts it directly before him, and he directs the axis of the eye on each point. He would stand directly before a picture in…
Perspective · Drawing
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
