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.