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 33
15 COMPARED WITH ORTHOGRAPHIC. spective drawing tlie bounding lines of the house converge, whereas in the other they are parallel The two views are placed side by side. Fig. 5. … It Tvould be useless to attach a scale to the perspective drawing, for all the lines are not diminished on the same proportion, and it would be impossible to find from it by measurement the length of a line in the house. It will be gathered from this comparison that an orthographic pro¬ jection is…
Perspective · Drawing
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
