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Lectures in Navigation ⠃⠗⠋ 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

233,496 braille cells · 241 embossed pages at 40×25 · 2,020 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.