The American drawing-book : a manual for the amateur, and basis of study for the professional artist : especially adapted to the use of public and private schools, as well as home instruction (1847)
Chapman, J. G. (John Gadsby), 1808-1889 · New York : J.S. Redfield · leaf 53
he brim on a level with theeye — it is a straight line—while that of the waterpresents a curve and that of the bottom a still greater.The farther the glass is removed from the eye, themore these curves diminish or approach straight lines—until at the distance of six or eight feet, their curvatureis…
Drawing
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