Skip to contentSkip to Braille Studio

Library / Engineering & Technology / Surveying and Levelling Instruments, Theoretically and Practically Described. / Braille

Surveying and Levelling Instruments, Theoretically and Practically Described. ⠃⠗⠋ 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

854,358 braille cells · 898 embossed pages at 40×25 · 3,933 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.