Elementary linear perspective of form and shadow ... Complete in itself ... For draftsmen, artists, and industrial drawing courses in preparatory and high schools, etc. In two parts.. (1891)
Warren, S. Edward (Samuel Edward), 1831-1909 · New York, J. Wiley & sons · leaf 93
e (116). ^^ d • a ^^-^y^ ..E ^ I • ^^ ^^ ^-.^^^ • ^^^^ :a \ vl^f^^ 1 \ \ . \V ! \c \ I s 1 \ 1 \ ; \ 1 \ 1 N ; N 1 N 1 \ : X 1 % 1 N N 1 \ 1 \ , ^-ii: Examples for Practice. 1. In Figs. 45, 46, findthe perspectives of one ormore other lines parallel todb-ab. 3. Let the given lines beto the left of… … Again: Eu-Et;, parallel to db-ah\ is the parallel visual rayfrom the infinitely distant point o^ ah-ah (108). Hence v, wherethis ray pierces the perspective plane, is the perspective of that infi-nitely remote point. That is, v is the vanishing point (106) oi ah-ah. Hence by (116) vh is the…
Perspective · Mechanical drawing
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