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Opticks ⠃⠗⠋ braille edition

Grade 2 — contracted English braille (EBAE-compatible subset). Translated on this server by our own braille engine (BRF — Braille Ready Format, Library of Congress fdd000551). View Grade 1 instead.

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482,147 braille cells · 505 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.