Skip to contentSkip to Braille Studio

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.

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

153,786 braille cells · 161 embossed pages at 40×25 · 827 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.