Skip to content

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.