Simplified mechanical perspective for the use of ... schools (1909)
Frederick, Frank Forrest, 1866-1942 · Peoria, Ill., The Manual arts press · leaf 58
\ / \ i XX \J 1 lxv 1 /\ /j\j xk) i VN 7 A x/x 7 1 X 1 \ 1 1 52 THE PERSPECTIVE OF OBLIQUE LINES. Problem XXXIV. Scale J4=10. S. P. 120 to right and 60 above. C. V.10 0 from S. P., P. L. at S. P., H. 5 0 above P. L. A cube, faces 7 0 x 7 0, rests on one edge as shown by the planand elevation. First… … This is a problem that frequently presents itself when drawing ■ roofs. All dimensions necessary for working the problem are given on the plan and elevation. The intersection of the roof vanishes at the intersection of the traces of the roofs as explained in Fig. 18. It is as 53 THE PERSPECTIVE OF…
Perspective
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