Skip to contentSkip to Braille Studio

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.

Download .brf — Grade 2 Download .brf — Grade 1 Plain-text reader .txt

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.