Library / Engineering & Technology / Tunneling: A Practical Treatise. / Braille
Tunneling: A Practical Treatise. ⠃⠗⠋ 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
579,072 braille cells · 603 embossed pages at 40×25 · 4,025 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.