N5-28
The elements of perspective
John Ruskin
Smith, Elder and Co., London, 1859
144 pages / arranged for the use of schools and intended to be read in connexion with the first three books of Euclid.
drawing technique
Online version (of the New York edition): https://babel.hathitrust.org/cgi/pt?id=hvd.fl4eae&seq=9
Document permalink: http://salmagundi.org/book/?p=190325