Burn, Robert Scott · London : Ingram, Cooke, and Co. · leaf 90
picture ; if some only ofthe sides or lines be parallel, those sides or lines only will vanish at thesame point; and if none of them be parallel, then each will have a separate PERSPECTIVE DRAWING. 81 vanishing-point of its own. An instance of this is seen in fig. 51, which isa view of the… … fig. 51. the sidej^end, porch, and roofs tending in five different directions. Therule given at fig. 39 for finding the apex of a pyramid or cone will also befound useful for determining the point of the roof of the tower and theposition of the weather-vane. In fig. 33 an example was given…
Drawing · Wood-engraving
Internet Archive · Getty Research Institute · Public Domain Mark 1.0. Free to use for anything.
