Light and shade with chapters on charcoal, pencil, and brush drawing : a manual for teachers and students (1901)
Cross, Anson K. (Anson Kent), 1862-1944, Ginn and Company, publisher, Athenaeum Press (Cambridge, Mass.), printer · Boston, U.S.A., and London : Ginn & Company, Publishers : The Athenaeum Press · leaf 16
e, which separates light from dark, is being seen at differ-ent angles, and the different phases of the moon result. Photographs do not give sharp dividing lines of light and shade.— In Fig. 3, which is made from a photograph of a white spherewith a smooth surface, there is no sharp dividing line… … Fig. 3. From Photograph. light is reflected from any smooth, polished surface such as that ofa mirror, so that the angle of incidence is equal to the angle ofreflection, and a perfect image of the object is produced. Very littleof the light falling on the surface is absorbed by it, and almostall…
Shades and shadows in art · Drawing · Art · Chiaroscuro · Light in art
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