Library / Engineering & Technology / Refraction and muscular imbalance, as simplified through the use of the ski-optometer / Braille
Refraction and muscular imbalance, as simplified through the use of the ski-optometer ⠃⠗⠋ 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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153,786 braille cells · 161 embossed pages at 40×25 · 1,137 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.