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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.