Skip to contentSkip to Braille Studio

Library / Mathematics / Philosophiae Naturalis Principia Mathematica / Braille

Philosophiae Naturalis Principia Mathematica ⠃⠗⠋ 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

845,307 braille cells · 904 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.