Burn, Robert Scott · London : Ingram, Cooke, and Co. · leaf 106
; for by obtaining perspective views of this ima-ginary triangular plane, as applied to the various prominent points ofobjects, we easily obtain, at the places where its hypothenuse meets its base,the perspective shadows of those points which denote the outline of theentire shadow. Having found the… … are subject to perspective laws ; hence parallel shadow-lines have a commonvanishing-point in oblique perspective, and often in parallel perspective.In the adjoining view of Birch Church, near Manchester (fig. 64), given theshadow of one of the buttresses, to find those of the outer buttresses…
Drawing · Wood-engraving
Internet Archive · Getty Research Institute · Public Domain Mark 1.0. Free to use for anything.
