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Popular scientific lectures ⠃⠗⠋ 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

672,558 braille cells · 715 embossed pages at 40×25 · 1,972 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.