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.