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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.