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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.
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307,883 braille cells · 326 embossed pages at 40×25 · 1,466 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.