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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.