Furniss, Dorothy · Pelham, N. Y. : Bridgman Publishers · leaf 171
ntly used with regard to perspective. A horizontal plane is a plane parallel with the earth ; a per-pendicular plane is one perpendicular to the earth. The top ofa table and the ceiling of a room are horizontal planes ; thewalls of the room are perpendicular planes. It might, very reasonably, be… … Fig. 68. Egyptian FiGUKE Drawing for Beginners crime of scribbling with pencil or ink on the printed pages.A thread of white or black silk or cotton laid upon the sur-face will serve your purpose. To explain more clearly. Lay a thread of cotton on oneof the perspective diagrams, hold one end on the…
Drawing -- Study and teaching
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