Library / Physics / Opticks / Braille
Opticks ⠃⠗⠋ 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
587,831 braille cells · 621 embossed pages at 40×25 · 1,467 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.