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.