Applied perspective, for architects and painters (1901)
Longfellow, William Pitt Preble, 1836-1913 · Boston and New York, Houghton, Mifflin and company · leaf 78
~^^}ZM53^^t&^ 1 w- H TIqlI* 22Z CIRCLES The perspective of a circle is not a circle except when its plane is parallel to thepicture plane, so that like any other figure in such a plane it is projected in a figuresimilar to itself, and then it may be described with compasses. In other positions…
Perspective
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