Free-hand drawing : a manual for teachers and students (1898)
Cross, Anson K. (Anson Kent), 1862-1944 · Boston : Ginn & Company · leaf 108
t fore-shortened, causes in the eye an image practically like that which theobject itself would produce. Fig. 21 shows that the picture plane which gives a picture whichis similar to the image in the eye must be at right angles to thedirection in which the object is seen. In the case of the… … Fig. 26, A Side View. a true picture on a plane at right angles to the direction in which an:object is seen which will not when viewed naturally, produce asatisfactory impression of the object. Fig. 25 is from a photograph of a vertical square prism below theeye, the picture plane (the negative)…
Drawing
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