Library / Physics / Spectropia; or, Surprising Spectral Illusions / Braille
Spectropia; or, Surprising Spectral Illusions ⠃⠗⠋ 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.
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19,898 braille cells · 21 embossed pages at 40×25 · 212 unrepresentable characters omitted
⠀⠼⠃⠲⠀⠀⠀⠀⠠⠊⠇⠇⠥⠎⠞⠗⠁⠞⠊⠕⠝⠒⠀⠠⠠⠋⠊⠛⠲⠀⠼⠃⠲⠀⠀⠀⠀ ⠠⠊⠇⠇⠥⠎⠞⠗⠁⠞⠊⠕⠝⠒⠀⠠⠠⠋⠊⠛⠲⠀⠼⠉⠲⠀⠀⠀⠀⠠⠺⠓⠑⠝⠀⠁⠀⠗⠁⠽ ⠀⠕⠋⠀⠇⠊⠛⠓⠞⠀⠑⠝⠞⠑⠗⠎⠀⠞⠓⠑⠀⠑⠽⠑⠂⠀⠊⠞⠀⠏⠁⠎⠎⠑⠎⠀ ⠞⠓⠗⠕⠥⠛⠓⠀⠞⠓⠑⠀⠓⠥⠍⠕⠥⠗⠎⠀⠕⠗⠀⠀⠇⠑⠝⠎⠑⠎⠂⠀⠁⠝⠙⠀⠊⠎⠀ ⠋⠕⠗⠍⠑⠙⠀⠃⠽⠀⠞⠓⠑⠍⠀⠊⠝⠞⠕⠀⠁⠝⠀⠊⠍⠁⠛⠑⠂⠀⠕⠝⠀⠞⠓⠑⠀ ⠉⠓⠕⠗⠕⠊⠙⠂⠀⠕⠋⠀⠞⠓⠑⠀⠀⠕⠃⠚⠑⠉⠞⠀⠇⠕⠕⠅⠑⠙⠀⠁⠞⠲⠀⠠⠞⠓⠑⠀ ⠑⠭⠞⠗⠑⠍⠊⠞⠊⠑⠎⠀⠕⠋⠀⠞⠓⠑⠀⠗⠕⠙⠎⠀⠁⠝⠙⠀⠉⠕⠝⠑⠎⠀⠓⠁⠧⠑⠀ ⠞⠓⠑⠀⠏⠕⠺⠑⠗⠀⠀⠕⠋⠀⠁⠏⠏⠗⠑⠉⠊⠁⠞⠊⠝⠛⠀⠞⠓⠑⠀⠊⠍⠁⠛⠑⠀ ⠞⠓⠑⠗⠑⠀⠋⠕⠗⠍⠑⠙⠂⠀⠁⠝⠙⠀⠉⠕⠝⠧⠑⠽⠀⠊⠞⠀⠥⠏⠀⠞⠓⠗⠕⠥⠛⠓⠀ ⠞⠓⠑⠀⠀⠥⠇⠞⠊⠍⠁⠞⠑⠀⠏⠁⠗⠞⠎⠀⠕⠋⠀⠞⠓⠑⠀⠗⠑⠞⠊⠝⠁⠀⠶⠠⠋⠊⠛⠲ ⠀⠼⠃⠶⠂⠀⠞⠓⠑⠝⠉⠑⠀⠁⠇⠕⠝⠛⠀⠞⠓⠑⠀⠕⠏⠞⠊⠉⠀⠝⠑⠗⠧⠑⠀⠀ ⠋⠊⠃⠗⠑⠎⠀⠞⠕⠀⠞⠓⠑⠀⠃⠗⠁⠊⠝⠲⠀⠠⠺⠑⠀⠁⠗⠑⠀⠊⠝⠉⠇⠊⠝⠑⠙⠀⠞⠕ ⠀⠗⠑⠛⠁⠗⠙⠀⠞⠓⠑⠀⠑⠭⠞⠗⠑⠍⠊⠞⠊⠑⠎⠀⠕⠋⠀⠞⠓⠑⠀⠀⠗⠕⠙⠎⠀⠁⠝⠙ ⠀⠉⠕⠝⠑⠎⠀⠁⠎⠀⠞⠓⠑⠀⠞⠗⠥⠑⠀⠎⠑⠁⠞⠀⠕⠋⠀⠏⠑⠗⠉⠑⠏⠞⠊⠕⠝⠂⠀ ⠊⠝⠀⠉⠕⠝⠎⠑⠟⠥⠑⠝⠉⠑⠀⠕⠋⠀⠀⠕⠃⠎⠑⠗⠧⠊⠝⠛⠀⠁⠀ ⠉⠕⠝⠎⠊⠙⠑⠗⠁⠃⠇⠑⠀⠙⠊⠎⠞⠁⠝⠉⠑⠀⠃⠑⠞⠺⠑⠑⠝⠀⠞⠓⠑⠀ ⠗⠑⠞⠊⠝⠁⠇⠀⠃⠇⠕⠕⠙⠤⠧⠑⠎⠎⠑⠇⠎⠀⠁⠝⠙⠀⠀⠞⠓⠑⠀⠉⠓⠕⠗⠕⠊⠙⠂⠀ ⠺⠓⠑⠝⠀⠏⠑⠗⠋⠕⠗⠍⠊⠝⠛⠀⠠⠏⠥⠗⠅⠊⠝⠚⠑⠄⠎⠀ ⠑⠭⠏⠑⠗⠊⠍⠑⠝⠞⠲⠠⠁⠀⠠⠞⠓⠊⠎⠀⠑⠭⠏⠑⠗⠊⠍⠑⠝⠞⠀⠀⠉⠕⠝⠎⠊⠎⠞⠎ ⠀⠊⠝⠀⠏⠁⠎⠎⠊⠝⠛⠀⠁⠀⠇⠊⠛⠓⠞⠑⠙⠀⠉⠁⠝⠙⠇⠑⠀⠎⠇⠕⠺⠇⠽⠀⠞⠕⠀ ⠁⠝⠙⠀⠋⠗⠕⠀⠃⠑⠋⠕⠗⠑⠀⠞⠓⠑⠀⠑⠽⠑⠎⠂⠀⠀⠁⠞⠀⠁⠃⠕⠥⠞⠀⠞⠺⠕⠀ ⠕⠗⠀⠞⠓⠗⠑⠑⠀⠊⠝⠉⠓⠑⠎⠀⠋⠗⠕⠍⠀⠞⠓⠑⠀⠝⠕⠎⠑⠂⠀⠺⠓⠑⠝⠀⠞⠓⠑⠀ ⠗⠑⠞⠊⠝⠁⠇⠀⠧⠑⠎⠎⠑⠇⠎⠀⠀⠺⠊⠇⠇⠀⠑⠭⠓⠊⠃⠊⠞⠀⠞⠓⠑⠍⠎⠑⠇⠧⠑⠎ ⠀⠃⠑⠋⠕⠗⠑⠀⠞⠓⠑⠀⠕⠃⠎⠑⠗⠧⠑⠗⠀⠝⠕⠞⠀⠥⠝⠇⠊⠅⠑⠀ ⠃⠗⠁⠝⠉⠓⠊⠝⠛⠀⠞⠗⠑⠑⠎⠲⠀⠀⠠⠞⠓⠑⠽⠀⠍⠁⠽⠀⠃⠑⠀⠎⠑⠑⠝⠀⠃⠽⠀
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.