Wyllie, W. L. (William Lionel), 1851-1931 · London, E. Arnold · leaf 37
Here again I may point out an advantage wegain from our rules. Correctly applied, theyenable us to indicate the relative speed of vessels,for the flags and smoke of moving craft have vanishing-points of their own, varying in directionaccording to their speed. If you watch one steamerpassing…
Drawing · Perspective
Internet Archive · Getty Research Institute · Public Domain Mark 1.0. Free to use for anything.
