Skip to contentSkip to Braille Studio

Library / Physics / Opticks / Braille

Opticks ⠃⠗⠋ 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

587,831 braille cells · 621 embossed pages at 40×25 · 1,467 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.