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.