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.