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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.

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854,358 braille cells · 898 embossed pages at 40×25 · 8,815 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.