Essentials of Perspective: With Illustrations Drawn by the Author (1887)
Miller, Leslie William, 1848-1931 · New York: C. Scribner's Sons · leaf 47
ts vanishing-point in the horizon, go on with the measuring as in Fig. 43. The process is illustrated in Fig. 44. The squares employed may, of course, have some connection with the objects represented, or they may be merely supposed to exist in order to -^t3 serve a temporary purpose iu fixing… … W Fig. 43.
Perspective · Drawing -- Study and teaching
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![An illustration from Newton Club catalogue of paintings : [exhibition] from December the 9th to December the 17th, 1896 (1896)](https://img.insideoutlibrary.com/img/200/ia-newtonclubcatalo00newt-32-9.webp)