Percival, A. S. (Archibald Stanley), 1862- · London ; New York [etc.] : Longmans, Green and Co. · leaf 26
akeCJD to be \ of the distance of the observer, so PK ismade \ of PS in Fig. 9, and S in the perspective plan is theintersection of PC and K -^D. Hence the enclosing parallelogramPQRS is easily drawn. On joining HC. the point h is given as theintersection of this line with RS ; similarly on joining… … N G Q K i p O M aH b Fig. 10.On Q is erected the vertical QF equal to gf in Fig. 8, and onit the point marked 2 indicates the height of 2-ins. for the sides ofthe box. Slide Q2 between the guiding lines CQ and C2, and sotransfer the vertical to a and to R ; transfer the vertical at R to halong the…
Perspective
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