Skip to contentSkip to Braille Studio

Library / Philosophy / On the Philosophy of Discovery, Chapters Historical and Critical / Braille

On the Philosophy of Discovery, Chapters Historical and Critical ⠃⠗⠋ 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

1,177,855 braille cells · 1,249 embossed pages at 40×25 · 6,319 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.