Simplified mechanical perspective for the use of ... schools (1909)
Frederick, Frank Forrest, 1866-1942 · Peoria, Ill., The Manual arts press · leaf 52
n angle to the left of 45°,therefore, Fig. 15, line X-S. P. isrevolved to Tr. V. PL and the an-gle made by 1-3 with the horizon-tal plane (in this case 45°) is con- V.structed and point A found. If Tr.V. PL was used as the horizonpoint, A would be the vanishingpoint of all lines making angles of45°… … .A Tin. 17. •UVPL VPI. C <>UVRR. BLVPL.4 VER. D 4>LVER. (B) is placed as far above H. as Ais above Tr. V. PL That is, dis-tance C-B is made equal to dis-tance X-A. A diagram for a problem con-taining lines vanishing to right oron acount of the confusion oflines, but a new line (H) is…
Perspective
Internet Archive · Cornell University Library · Public Domain Mark 1.0. Free to use for anything.
