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On the Improvement of the Understanding ⠃⠗⠋ 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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79,393 braille cells · 83 embossed pages at 40×25 · 398 unrepresentable characters omitted

⠏⠻⠉⠑⠊⠧⠑⠀⠹⠗⠳⠛⠓⠀⠮⠀⠎⠢⠎⠑⠎⠀⠱⠊⠇⠑⠀⠀⠀⠀⠀⠀⠁⠺⠁⠅⠑⠲⠀⠀
⠶⠼⠃⠶⠀⠠⠭⠀⠓⠁⠎⠀⠓⠢⠉⠑⠀⠃⠑⠢⠀⠊⠝⠋⠻⠗⠫⠀⠞⠀
⠗⠑⠏⠗⠑⠎⠢⠞⠁⠞⠊⠕⠝⠎⠀⠀⠀⠀⠀⠀⠕⠉⠉⠥⠗⠗⠬⠀⠔⠀⠎⠇⠑⠑⠏⠀⠓⠀⠝⠕
⠀⠉⠕⠝⠝⠑⠉⠞⠊⠕⠝⠀⠾⠀⠕⠃⠚⠑⠉⠞⠎⠀⠑⠭⠞⠻⠝⠁⠇⠀⠀⠀⠀⠀⠀⠞⠕⠀⠥⠲
⠀⠀⠶⠼⠉⠶⠀⠠⠺⠑⠀⠩⠁⠇⠇⠀⠏⠗⠑⠎⠢⠞⠇⠽⠀⠎⠑⠑⠀⠞⠀⠑⠗⠗⠕⠗⠀⠊⠎⠀
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⠁⠀⠉⠻⠞⠁⠔⠀⠏⠊⠞⠡⠀⠭⠀⠃⠑⠉⠕⠍⠑⠎⠀⠙⠑⠇⠊⠗⠊⠥⠍⠲⠀⠀⠀⠀⠼⠛⠋⠵
⠀⠠⠘⠮⠀⠁⠗⠑⠀⠝⠀⠁⠞⠞⠗⠊⠃⠥⠞⠑⠎⠀⠷⠀⠠⠛⠕⠙⠀⠙⠊⠎⠏⠇⠁⠽⠬⠀⠠⠦
⠀⠑⠎⠎⠢⠉⠑⠂⠀⠀⠀⠀⠀⠀⠵⠀⠠⠊⠀⠺⠀⠩⠪⠀⠔⠀⠍⠽⠀⠏⠓⠊⠇⠕⠎⠕⠏⠓⠽⠲
⠀⠀⠀⠀⠼⠛⠋⠰⠁⠀⠶⠼⠁⠶⠀⠠⠹⠊⠎⠀⠓⠁⠎⠀⠃⠑⠢⠀⠩⠪⠝⠀⠁⠇⠗⠑⠁⠙⠽⠲
⠀⠀⠶⠼⠃⠶⠀⠠⠿⠀⠊⠋⠀⠎⠥⠡⠀⠁⠀⠃⠑⠬⠀⠀⠀⠀⠀⠀⠙⠊⠙⠀⠝⠀⠑⠭⠊⠌⠀⠭
⠀⠺⠳⠇⠙⠀⠝⠑⠧⠻⠀⠃⠑⠀⠏⠗⠕⠙⠥⠉⠫⠆⠀⠮⠗⠑⠿⠑⠀⠮⠀⠍⠔⠙⠀⠀⠀⠀⠀⠀
⠺⠳⠇⠙⠀⠃⠑⠀⠁⠃⠇⠑⠀⠞⠕⠀⠥⠝⠙⠻⠌⠯⠀⠍⠀⠹⠁⠝⠀⠝⠁⠞⠥⠗⠑⠀⠉⠳⠇⠙
⠀⠋⠥⠗⠝⠊⠩⠆⠀⠀⠀⠀⠀⠀⠯⠀⠹⠊⠎⠀⠓⠁⠎⠀⠃⠑⠢⠀⠩⠪⠝⠀⠁⠃⠕⠧⠑⠀⠞⠕
⠀⠃⠑⠀⠋⠁⠇⠎⠑⠲⠀⠀⠀⠀⠼⠛⠓⠰⠁⠀⠶⠼⠁⠶⠀⠠⠞⠀⠊⠎⠂⠀⠭⠀⠊⠎⠀
⠅⠝⠪⠝⠀⠞⠀⠮⠀⠎⠢⠎⠑⠎⠀⠎⠕⠍⠑⠞⠊⠍⠑⠎⠀⠙⠑⠉⠑⠊⠧⠑⠀⠥⠲⠀⠀⠀⠀⠀
⠶⠼⠃⠶⠀⠠⠃⠀⠭⠀⠊⠎⠀⠕⠝⠇⠽⠀⠅⠝⠪⠝⠀⠉⠕⠝⠋⠥⠎⠫⠇⠽⠂⠀⠿⠀⠭⠀⠊⠎
⠀⠝⠀⠅⠝⠪⠝⠀⠓⠪⠀⠀⠀⠀⠀⠀⠮⠽⠀⠙⠑⠉⠑⠊⠧⠑⠀⠥⠲⠀⠀⠀⠀⠼⠓⠉⠰⠙⠀
⠶⠼⠁⠶⠀⠠⠊⠋⠀⠮⠀⠙⠥⠗⠁⠞⠊⠕⠝⠀⠃⠑⠀⠊⠝⠙⠑⠋⠔⠊⠞⠑⠂⠀⠮⠀
⠗⠑⠉⠕⠇⠇⠑⠉⠞⠊⠕⠝⠀⠊⠎⠀⠀⠀⠀⠀⠀⠊⠍⠏⠻⠋⠑⠉⠞⠆⠀⠹⠊⠎⠀
⠑⠧⠻⠽⠕⠝⠑⠀⠎⠑⠑⠍⠎⠀⠞⠕⠀⠓⠀⠇⠑⠜⠝⠞⠀⠋⠀⠝⠁⠞⠥⠗⠑⠲⠀⠀⠀⠀⠀⠀
⠶⠼⠃⠶⠀⠠⠿⠀⠺⠑⠀⠷⠞⠢⠀⠁⠎⠅⠂⠀⠞⠕⠀⠌⠗⠢⠛⠮⠝⠀⠕⠥⠗⠀⠃⠑⠇⠊⠑⠋
⠀⠔⠀⠎⠕⠍⠑⠹⠬⠀⠀⠀⠀⠀⠀⠺⠑⠀⠓⠑⠜⠀⠷⠂⠀⠱⠢⠀⠯⠀⠱⠻⠑⠀⠭⠀
⠓⠁⠏⠏⠢⠫⠆⠀⠹⠳⠛⠓⠀⠊⠙⠑⠁⠎⠀⠀⠀⠀⠀⠀⠮⠍⠎⠑⠇⠧⠑⠎⠀⠓⠀⠸⠮⠀
⠕⠺⠝⠀⠙⠥⠗⠁⠞⠊⠕⠝⠀⠔⠀⠮⠀⠍⠔⠙⠂⠀⠽⠑⠞⠂⠀⠵⠀⠺⠑⠀⠀⠀⠀⠀⠀⠁⠗⠑

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.