Library / Biology / How to Use the Popular Science Library; History of Science; General Index / Braille
How to Use the Popular Science Library; History of Science; General Index ⠃⠗⠋ 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.
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1,228,378 braille cells · 1,293 embossed pages at 40×25 · 3,762 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.