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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.