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.