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 362
JH.) From a draw a v, and from 6, draw h y\ cutting each otherill c. Then a 6 c is the triangle required. If A c is the line originally given, a c is the line which mustbe first drawn, and the line v h must be drawn from v to cand produced to cut ah mh. Similarly, if b c is given, v cmust be drawn… … Let A b c d (Fig. 19.) be the given figure. Join any tw^o of its opposite angles by the line b c. Draw first the triangle a b c. (Problem VI.) And then, from the base b c, the two lines b d, c d, to theirvanishing-points, which will complete the figure. It in un-necessary to give a diagram of the…
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