An introduction to perspective : practical geometry, drawing and painting : a new and perfect explanation of the mixture of colours, with practical directions for miniature, crayon, and oil painting : in a series of familiar dialogues between the author's children, and letters addressed to his pupils : illustrated with numerous wood engravings, from drawings by John Hayter ..., and coloured plates (1845)
Hayter, Charles, 1761-1835, Hayter, John, 1800-1895 · London : Samuel Bagster and Sons ... · leaf 109
81 ON DOUBTFUL SUBJECTS. … Ann. I had a question similar to Eliza’s to ask, respecting our view of level lines; such as the parallel joints of brick or stone walls, when viewed in front — must they be drawn level and parallel? George. Straight lines , which are level and parallel with one another , and with the base line ,…
Perspective · Drawing · Color · Painting
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.