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 2 — contracted English braille (EBAE-compatible subset). Translated on this server by our own braille engine (BRF — Braille Ready Format, Library of Congress fdd000551). View Grade 1 instead.
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175,786 braille cells · 184 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.