Library / Mathematics / The Teaching of Geometry / Braille
The Teaching of Geometry ⠃⠗⠋ 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
469,466 braille cells · 493 embossed pages at 40×25 · 4,777 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.