Essentials of Perspective: With Illustrations Drawn by the Author (1887)
Miller, Leslie William, 1848-1931 · New York: C. Scribner's Sons · leaf 54
is, in this case, the ground line of the front of the house. Let us measure itslength first and attend to the windows afterward. We have seen (page 41) that any measures we may haveoccasion to use must be set off, if we are to be sure of them, on some line that is parallel to the picture-plane,and… … Fg. 49, MEASUREMENT BY MEANS OF TRIANGLES. 45 right when drawn on vertical surfaces, and so on. Our observations at the screen taught us that long ago.Such a line is drawn, then, in such a position as to have one point in common with the line to be measured.Theoretically this may be wherever you…
Perspective · Drawing -- Study and teaching
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