The principles of perspective as applied to model drawing & sketching from nature (1890)
Trobridge, George, 1851-1909 · London : Cassell · leaf 17
MODEL DRAWING AND SKETCHING FROM NATURE. 13 CHAPTER III. RIGHT-LINED OBJECT will appear at right angles to each other, as they Before commencing our practical illustrations, actually are, and the form and proportions of the opening it will be as well to put down one or two of … We may illustrate this law by many examples. will be the same as in a geometrical " elevation.''-' {See One will suffice. If you stand before a doorway, looking directly at it, the lines of the jambs and lintel Fig. 7.)
Perspective · Drawing
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
