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