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Useful Knowledge: Volume 1. Minerals ⠃⠗⠋ 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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551,556 braille cells · 579 embossed pages at 40×25 · 3,437 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.