Skip to contentSkip to Braille Studio

Library / Philosophy / Preliminary Discourse on the Study of Natural Philosophy / Braille

Preliminary Discourse on the Study of Natural Philosophy ⠃⠗⠋ 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

617,156 braille cells · 655 embossed pages at 40×25 · 548 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.