Burn, Robert Scott · London : Ingram, Cooke, and Co. · leaf 89
nd down-hill views opposite to the spectator are regulated onthe same principle; the point of sight being in these cases the vanishing-point of horizontal lines, while the inclined lines vanish at a point respec-tively above or below the point of sight, but on the same vertical line.A remarkable… … fig. 50. various inclinations will have various vanishing-points, but that all thesepoints will be found on a line perpendicular to the horizontal line, andpassing through the vanishing-point of planes that are horizontal or parallelwith the ground-plane. Thus in fig. 50, which is a view of two…
Drawing · Wood-engraving
Internet Archive · Getty Research Institute · Public Domain Mark 1.0. Free to use for anything.
