Library / Engineering & Technology / The calculating engine / Braille
The calculating engine ⠃⠗⠋ 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
170,405 braille cells · 180 embossed pages at 40×25 · 446 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.