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.