Skip to contentSkip to Braille Studio

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.