Visual illusions, their causes, characteristics and applications (1922)
Luckiesh, Matthew, 1883- · New York, Van Nostrand · leaf 75
62 VISUAL ILLUSIONS In Fig. 26 distortions of the circumference of a circle are obtained in a similar manner. It is interesting to note that we are not particu- larly conscious of uerspective, but it is seen that it … Fig. 26. — Distortion of a circle due to superposed lines. has been a factor in the development of our visual perception. In proof of this we might recall the first time as children we were asked to draw a railroad track trailing off in the distance. Doubtless, most of us drew two parallel lines…
Optical illusions
Internet Archive · Gerstein - University of Toronto · Public domain (published before 1931). Free to use for anything.
