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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.

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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.