St. Mark's rest : the history of Venice written for the help of the few travellers who still care for her monuments (1885)
Ruskin, John, 1819-1900 · New York : Lovell · leaf 355
drawn by the.construction given in Fig. 7. It is also evident that if A B is at right angles with the plane of thepicture, T v will coincide with T S, and the vanishing-point of A B willbe the sight-point. * I spare the student the formality of the reductloadahsurdum whichwould be necessary to… … Fia.11. B
Art
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