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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.