Skip to content

Library / Engineering & Technology / Material Classification / Braille

Material Classification ⠃⠗⠋ 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

263,724 braille cells · 232 embossed pages at 40×25 · 16,393 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.