Skip to contentSkip to Braille Studio

Library / Mathematics / Philosophiae Naturalis Principia Mathematica / Braille

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.