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Visual Illusions: Their Causes, Characteristics and Applications ⠃⠗⠋ braille edition

Grade 1 — uncontracted, letter-for-letter. Translated on this server by our own braille engine (BRF — Braille Ready Format, Library of Congress fdd000551). View Grade 2 instead.

Download .brf — Grade 2 Download .brf — Grade 1 Plain-text reader .txt

350,115 braille cells · 371 embossed pages at 40×25 · 572 unrepresentable characters omitted

⠞⠓⠑⠀⠎⠁⠋⠑⠞⠽⠀⠕⠋⠀⠞⠓⠑⠀⠇⠕⠺⠑⠗⠀⠁⠝⠊⠍⠁⠇⠎⠀⠞⠓⠁⠞⠀
⠞⠓⠑⠽⠀⠎⠑⠑⠀⠑⠟⠥⠁⠇⠇⠽⠀⠺⠑⠇⠇⠀⠕⠧⠑⠗⠀⠁⠀⠇⠁⠗⠛⠑⠀
⠋⠊⠑⠇⠙⠆⠀⠓⠕⠺⠑⠧⠑⠗⠂⠀⠊⠞⠀⠁⠏⠏⠑⠁⠗⠎⠀⠁⠙⠧⠁⠝⠞⠁⠛⠑⠕⠥⠎⠀
⠞⠓⠁⠞⠀⠍⠁⠝⠀⠛⠊⠧⠑⠀⠋⠊⠭⠑⠙⠀⠁⠝⠙⠀⠥⠝⠙⠊⠧⠊⠙⠑⠙⠀
⠁⠞⠞⠑⠝⠞⠊⠕⠝⠀⠞⠕⠀⠞⠓⠑⠀⠕⠃⠚⠑⠉⠞⠀⠇⠕⠕⠅⠑⠙⠀⠁⠞⠲⠀⠠⠍⠁⠝⠀
⠙⠕⠑⠎⠀⠝⠕⠞⠀⠝⠑⠑⠙⠀⠞⠕⠀⠞⠗⠥⠎⠞⠀⠎⠕⠇⠑⠇⠽⠀⠞⠕⠀⠓⠊⠎⠀
⠎⠑⠝⠎⠑⠎⠀⠞⠕⠀⠏⠗⠕⠞⠑⠉⠞⠀⠓⠊⠍⠎⠑⠇⠋⠀⠋⠗⠕⠍⠀⠙⠁⠝⠛⠑⠗⠎⠲⠀
⠠⠓⠑⠀⠥⠎⠑⠎⠀⠓⠊⠎⠀⠊⠝⠞⠑⠇⠇⠑⠉⠞⠀⠞⠕⠀⠊⠝⠧⠑⠝⠞⠀⠁⠝⠙⠀⠞⠕⠀
⠉⠕⠝⠎⠞⠗⠥⠉⠞⠀⠁⠗⠞⠊⠋⠊⠉⠊⠁⠇⠀⠙⠑⠋⠑⠝⠎⠑⠎⠲⠀⠠⠺⠊⠞⠓⠕⠥⠞⠀
⠞⠓⠑⠀⠓⠊⠛⠓⠇⠽⠀⠎⠏⠑⠉⠊⠁⠇⠊⠵⠑⠙⠀⠋⠕⠧⠑⠁⠀⠺⠑⠀⠍⠊⠛⠓⠞⠀
⠎⠑⠑⠀⠑⠟⠥⠁⠇⠇⠽⠀⠺⠑⠇⠇⠀⠕⠧⠑⠗⠀⠞⠓⠑⠀⠺⠓⠕⠇⠑⠀⠗⠑⠞⠊⠝⠁⠀
⠃⠥⠞⠀⠉⠕⠥⠇⠙⠀⠝⠕⠞⠀⠇⠕⠕⠅⠀⠁⠞⠞⠑⠝⠞⠊⠧⠑⠇⠽⠀⠁⠞⠀
⠁⠝⠽⠞⠓⠊⠝⠛⠂⠀⠁⠝⠙⠀⠞⠓⠑⠗⠑⠋⠕⠗⠑⠀⠉⠕⠥⠇⠙⠀⠝⠕⠞⠀
⠕⠃⠎⠑⠗⠧⠑⠀⠞⠓⠕⠥⠛⠓⠞⠋⠥⠇⠇⠽⠲⠀⠀⠠⠺⠓⠑⠝⠀⠁⠝⠀⠊⠍⠁⠛⠑⠀⠕⠋
⠀⠁⠀⠃⠗⠊⠛⠓⠞⠀⠕⠃⠚⠑⠉⠞⠀⠑⠭⠊⠎⠞⠎⠀⠥⠏⠕⠝⠀⠞⠓⠑⠀⠗⠑⠞⠊⠝⠁⠀
⠋⠕⠗⠀⠁⠀⠞⠊⠍⠑⠀⠞⠓⠑⠗⠑⠀⠗⠑⠎⠥⠇⠞⠎⠀⠁⠀⠏⠁⠗⠞⠊⠁⠇⠀
⠑⠭⠓⠁⠥⠎⠞⠊⠕⠝⠀⠕⠗⠀⠋⠁⠞⠊⠛⠥⠑⠀⠕⠋⠀⠞⠓⠑⠀⠗⠑⠞⠊⠝⠁⠇⠀
⠏⠗⠕⠉⠑⠎⠎⠑⠎⠀⠺⠊⠞⠓⠀⠁⠀⠗⠑⠎⠥⠇⠞⠀⠞⠓⠁⠞⠀⠁⠝⠀
⠁⠋⠞⠑⠗⠤⠊⠍⠁⠛⠑⠀⠊⠎⠀⠎⠑⠑⠝⠲⠀⠠⠞⠓⠊⠎⠀⠁⠋⠞⠑⠗⠤⠊⠍⠁⠛⠑⠀
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⠋⠁⠉⠞⠀⠞⠓⠁⠞⠀⠊⠞⠀⠞⠁⠅⠑⠎⠀⠞⠊⠍⠑⠀⠋⠕⠗⠀⠞⠓⠑⠀⠗⠑⠞⠊⠝⠁⠇⠀
⠏⠗⠕⠉⠑⠎⠎⠀⠞⠕⠀⠙⠊⠑⠀⠕⠥⠞⠲⠀⠠⠞⠓⠑⠝⠀⠞⠓⠑⠗⠑⠀⠉⠕⠍⠑⠎⠀⠁⠀
⠗⠑⠁⠉⠞⠊⠕⠝⠀⠺⠓⠊⠉⠓⠀⠊⠎⠀⠁⠏⠏⠁⠗⠑⠝⠞⠀⠺⠓⠑⠝⠀⠞⠓⠑⠀⠑⠽⠑⠀
⠊⠎⠀⠙⠊⠗⠑⠉⠞⠑⠙⠀⠞⠕⠺⠁⠗⠙⠀⠊⠇⠇⠥⠍⠊⠝⠁⠞⠑⠙⠀⠎⠥⠗⠋⠁⠉⠑⠎⠲
⠀⠠⠞⠓⠑⠀⠏⠁⠗⠞⠀⠕⠋⠀⠞⠓⠑⠀⠗⠑⠞⠊⠝⠁⠀⠺⠓⠊⠉⠓⠀⠓⠁⠎⠀⠃⠑⠑⠝⠀

These are the same pages the .brf download embosses — form-feed breaks and all. BRF opens in braille software (Duxbury, BrailleBlaster), on embossers, and on refreshable displays.