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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.