Hutchinson, G. W. Caldwell, Leighton of Stretton, Frederic Leighton, Baron, 1830-1896 · London ; New York : Macmillan and Co. · leaf 48
EMENTARY PERSPECTIVE 29 line A b the length of the diameter of the proposed circle ; bisecta b in 1, from 1 draw downwards a vertical line 1, o, equal tothe half of a b, join a o, on a o from o make a length o c equalalso to the half of a b, and from c draw a vertical line c e parallelto 1, o, and… … Fig. 10. The circle in the upright square is obtained in the sameway. The perspective of any curves may be found in a similarmanner ; enclose the curves in some rectangular figure, andobtain points from the curves to the sides of the rectangularfigure ; place the rectangular figure in perspective,…
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