Library / Engineering & Technology / The Advance of Science in the Last Half-Century / Braille
The Advance of Science in the Last Half-Century ⠃⠗⠋ 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
115,488 braille cells · 123 embossed pages at 40×25 · 281 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.