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 · 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.