Free-hand drawing : a manual for teachers and students (1898)
Cross, Anson K. (Anson Kent), 1862-1944 · Boston : Ginn & Company · leaf 102
cal ellipse,and it does not create a satisfactory impression of the round object.Fig. 19 is a side view representing the sphere, the eye, and avertical picture plane touching the sphere. The visual rays fromthe sphere to the eye form a cone, and Fig. 19 shows that this coneof rays is intersected… … Position • of- the ■ Pic tor? • PUne ■ wkicK ^luej ■ i. •distortecj • pictbr?-.,of- tie • SpKere.
Drawing
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