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Philosophiae Naturalis Principia Mathematica ⠃⠗⠋ 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

807,608 braille cells · 860 embossed pages at 40×25 · 16,788 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.