Skip to contentSkip to Braille Studio

Library / Engineering & Technology / Tunneling: A Practical Treatise. / Braille

Tunneling: A Practical Treatise. ⠃⠗⠋ 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

691,635 braille cells · 727 embossed pages at 40×25 · 3,549 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.