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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 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.

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

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.