Library / Philosophy / Natural Philosophy / Braille
Natural Philosophy ⠃⠗⠋ 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
307,883 braille cells · 326 embossed pages at 40×25 · 642 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.