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PC Paintbrush Image  |  1992-01-14  |  22.1 KB  |  633x475  |  1-bit (2 colors)
   ocr: STANNARD: SHRINKING HISTORY # - A Figure 2. The Zolner illusion. Ca) Cb) Figure 1. The Hering illusion. Ca) First form. Cb) Second form. Figure 3. The Poggendorf illusion.