A new manual of perspective: containing remarks on the theory of the art, and its practical application in the procudtion of drawings ... Illustrated by numerous engravings (1849)
Whittock, Nathaniel · London, A. Hall & Co. · leaf 17
the first diagram we see how the rays oflight pass to the pupil of the eye; and by thesecond will be seen the rays passing through thepupil of the eye to the retina, which is a beau-tiful net-work of nerves, acting like a mirror, atthe back of the eyeball. In diagram 2, the circle 14 MANUAL OF… … inner surface of the circle is the retina, uponwhich is formed a picture of every object thatis seen. The rays of light pass from the endsof the boat 1, 2, through the pupil J, to 1 and 2on the retina. In like manner, the lines, orrays, are drawn from the second boat throughthe point J, to the…
Perspective
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