A supplement to "The amateur's perspective" (1829)
Davenport, Richard, author · London : Printed for the author · leaf 28
he sea, by lowering the base line for the purpose. Neither would this affect the relative height of the mast, and the upper edge of the sea-line ; neither will their relative heights be at all altered by cutting off the bottom of the picture, nor by raising or lowering the upper part, and thus… … * Suppose two cliffs of exactly equal height, with a channel of sea between them. The curvature of the surface of the sea would intercept from the eye of the spectator, on either of them, a por- tion of the upright cliff opposite ; and on the supposition that it barely left visible the extreme…
Perspective
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
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