Percival, A. S. (Archibald Stanley), 1862- · London ; New York [etc.] : Longmans, Green and Co. · leaf 35
the figure would represent the brick inposition. We indicate the position of the lines LL and A on thebase line PQ by means of the diagonal QS ; AI and N mark thefoot of the perpendiculars from the intersections of this diagonalwith the lines LL and A. 31 In Fig. i8 the plan PQRS, is put in… … Now it must be remembered that when using a side elevation,the lateral distances HB, He and H^ represent heights ; in Fig. 18the scale of heights b, e and d are represented on C.S.L., andhorizontals are drawn through b, e and d. The A edge on the tablehas already been drawn, the edge BB is defined…
Perspective
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