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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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⠶⠼⠃⠶⠀⠞⠓⠑⠀⠊⠝⠋⠇⠥⠑⠝⠉⠑⠀⠕⠋⠀⠞⠓⠑⠀⠍⠕⠧⠑⠍⠑⠝⠞⠎⠀⠕⠋⠀
⠕⠝⠑⠀⠑⠽⠑⠆⠀⠁⠝⠙⠂⠀⠶⠼⠉⠶⠀⠞⠓⠑⠀⠁⠙⠙⠊⠞⠊⠕⠝⠁⠇⠀⠙⠁⠞⠁⠀
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⠞⠓⠑⠀⠍⠕⠝⠕⠉⠥⠇⠁⠗⠀⠋⠊⠑⠇⠙⠂⠀⠁⠝⠙⠀⠞⠓⠑⠀⠃⠊⠝⠕⠉⠥⠇⠁⠗⠀
⠋⠊⠑⠇⠙⠲⠀⠠⠞⠓⠑⠀⠗⠑⠞⠊⠝⠁⠇⠀⠋⠊⠑⠇⠙⠀⠕⠋⠀⠧⠊⠎⠊⠕⠝⠀⠊⠎⠀
⠞⠓⠁⠞⠀⠕⠋⠀⠁⠝⠀⠑⠽⠑⠀⠁⠞⠀⠗⠑⠎⠞⠀⠁⠎⠀⠉⠕⠍⠏⠁⠗⠑⠙⠀⠺⠊⠞⠓⠀
⠞⠓⠑⠀⠍⠕⠝⠕⠉⠥⠇⠁⠗⠀⠋⠊⠑⠇⠙⠂⠀⠺⠓⠊⠉⠓⠀⠊⠎⠀⠁⠇⠇⠀⠞⠓⠁⠞⠀
⠉⠁⠝⠀⠃⠑⠀⠎⠑⠑⠝⠀⠺⠊⠞⠓⠀⠕⠝⠑⠀⠑⠽⠑⠀⠊⠝⠀⠊⠞⠎⠀⠑⠝⠞⠊⠗⠑⠀
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⠑⠭⠏⠑⠗⠊⠑⠝⠉⠑⠲⠀⠠⠞⠓⠑⠀⠗⠑⠞⠊⠝⠁⠇⠀⠋⠊⠑⠇⠙⠀⠓⠁⠎⠀⠝⠕⠀
⠉⠇⠑⠁⠗⠇⠽⠀⠙⠑⠋⠊⠝⠑⠙⠀⠃⠕⠥⠝⠙⠁⠗⠊⠑⠎⠀⠃⠑⠉⠁⠥⠎⠑⠀⠊⠞⠀
⠋⠊⠝⠁⠇⠇⠽⠀⠋⠁⠙⠑⠎⠀⠁⠞⠀⠊⠞⠎⠀⠊⠝⠙⠑⠋⠊⠝⠊⠞⠑⠀
⠏⠑⠗⠊⠏⠓⠑⠗⠽⠀⠊⠝⠞⠕⠀⠁⠀⠗⠑⠛⠊⠕⠝⠀⠺⠓⠑⠗⠑⠀⠎⠑⠝⠎⠁⠞⠊⠕⠝⠀
⠉⠑⠁⠎⠑⠎⠲⠀⠀⠠⠊⠞⠀⠍⠊⠛⠓⠞⠀⠃⠑⠀⠞⠊⠗⠑⠎⠕⠍⠑⠀⠞⠕⠀⠋⠕⠇⠇⠕⠺
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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.