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The organisation of thought, educational and scientific ⠃⠗⠋ 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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267,003 braille cells · 281 embossed pages at 40×25 · 1,208 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.