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 349
Fig. 5. THE ELEMENTS OF PERSPECTIVE, PROBLEM n. TO DRAW A RIGHT LINE BETWEEN TWO GHTIN POINTS. c ly … Fig. fi. Let a b, Fig. 6., be the given right line, joining the givenpoints A and b. Let the direct, lateral, and vertical distances of the pointA be t d, d c, and c a. Let the direct, lateral, and vertical distances of the point bbe T d, d c, and c b. Then, by Problem I, the position of the point…
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