Skip to contentSkip to Braille Studio

Library / Education / The organisation of thought, educational and scientific / Braille

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.

Download .brf — Grade 2 Download .brf — Grade 1 Plain-text reader .txt

267,003 braille cells · 281 embossed pages at 40×25 · 1,208 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.