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.