Library / Chemistry / Invention: The Master-key to Progress / Braille
Invention: The Master-key to Progress ⠃⠗⠋ 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
530,438 braille cells · 557 embossed pages at 40×25 · 606 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.