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.