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Library / Physics / Treatise on light - In which are explained the causes of that which occurs in reflexion, & in refraction and / Braille

Treatise on light - In which are explained the causes of that which occurs in reflexion, & in refraction and ⠃⠗⠋ 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

214,368 braille cells · 226 embossed pages at 40×25 · 400 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.