Applied perspective, for architects and painters (1901)
Longfellow, William Pitt Preble, 1836-1913 · Boston and New York, Houghton, Mifflin and company · leaf 54
or neithermay be the Horizon Line, and two lines of meas-ures parallel to them through aj if the divisions of these lines are the same, or in the same ratio, we shall get an identical division of a V.again, it cannot be too carefully borne in mind thatthe division of a Fand ao is only proportional,… … Cut
Perspective
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