Skip to content

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 · 8,923 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.