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 1 — uncontracted, letter-for-letter. Translated on this server by our own braille engine (BRF — Braille Ready Format, Library of Congress fdd000551). View Grade 2 instead.
Download .brf — Grade 2 Download .brf — Grade 1 Plain-text reader .txt
139,020 braille cells · 149 embossed pages at 40×25 · 355 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.