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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

⠠⠠⠊⠊⠲⠀⠠⠠⠱⠽⠀⠠⠠⠛⠑⠕⠍⠑⠞⠗⠽⠀⠠⠠⠊⠎⠀⠠⠠⠌⠥⠙⠊⠫⠀⠀⠀⠀⠀⠀
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⠠⠠⠷⠀⠠⠠⠛⠑⠕⠍⠑⠞⠗⠽⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠼⠃⠋⠀⠀⠀⠀⠀⠀
⠠⠠⠊⠧⠲⠀⠠⠠⠙⠑⠧⠑⠇⠕⠏⠍⠢⠞⠀⠠⠠⠷⠀⠠⠠⠮⠀⠠⠠⠞⠑⠁⠡⠬⠀⠠⠠⠷⠀
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⠼⠙⠛⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠠⠠⠧⠊⠲⠀⠠⠠⠑⠋⠿⠞⠎⠀⠠⠠⠁⠞⠀
⠠⠠⠊⠍⠏⠗⠕⠧⠬⠀⠠⠠⠑⠥⠉⠇⠊⠙⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠼⠑⠛⠀⠀
⠠⠠⠧⠊⠊⠲⠀⠠⠠⠮⠀⠠⠠⠞⠑⠭⠞⠃⠕⠕⠅⠀⠠⠠⠔⠀⠠⠠⠛⠑⠕⠍⠑⠞⠗⠽⠀⠀⠀⠀
⠼⠛⠚⠀⠀⠀⠀⠀⠀⠀⠀⠠⠠⠧⠊⠊⠊⠲⠀⠠⠠⠮⠀⠠⠠⠗⠑⠇⠁⠞⠊⠕⠝⠀⠠⠠⠷⠀
⠠⠠⠁⠇⠛⠑⠃⠗⠁⠀⠠⠠⠞⠕⠀⠠⠠⠛⠑⠕⠍⠑⠞⠗⠽⠀⠀⠀⠀⠀⠀⠀⠀⠀⠼⠓⠙⠀⠀⠀
⠠⠠⠊⠭⠲⠀⠠⠠⠮⠀⠠⠠⠊⠝⠞⠗⠕⠙⠥⠉⠞⠊⠕⠝⠀⠠⠠⠞⠕⠀⠠⠠⠛⠑⠕⠍⠑⠞⠗⠽
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠼⠊⠉⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠠⠭⠲⠀⠠⠠⠮⠀
⠠⠠⠉⠕⠝⠙⠥⠉⠞⠀⠠⠠⠷⠀⠠⠁⠀⠠⠠⠉⠇⠁⠎⠎⠀⠠⠠⠔⠀⠠⠠⠛⠑⠕⠍⠑⠞⠗⠽⠀
⠼⠁⠚⠓⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠠⠠⠭⠊⠲⠀⠠⠠⠮⠀⠠⠠⠁⠭⠊⠕⠍⠎⠀⠠⠠⠯⠀
⠠⠠⠏⠕⠌⠥⠇⠁⠞⠑⠎⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠼⠁⠁⠋⠀⠀⠀⠀⠀⠀⠀
⠠⠠⠭⠊⠊⠲⠀⠠⠠⠮⠀⠠⠠⠙⠑⠋⠔⠊⠞⠊⠕⠝⠎⠀⠠⠠⠷⠀⠠⠠⠛⠑⠕⠍⠑⠞⠗⠽⠀⠀
⠼⠁⠉⠃⠀⠀⠀⠀⠀⠀⠀⠀⠠⠠⠭⠊⠊⠊⠲⠀⠠⠠⠓⠪⠀⠠⠠⠞⠕⠀⠠⠠⠁⠞⠞⠁⠉⠅⠀
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⠠⠠⠏⠗⠕⠏⠕⠎⠊⠞⠊⠕⠝⠎⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠼⠁⠋⠑⠀⠀⠀⠀⠀⠀
⠠⠠⠭⠧⠲⠀⠠⠠⠮⠀⠠⠠⠇⠑⠁⠙⠬⠀⠠⠠⠏⠗⠕⠏⠕⠎⠊⠞⠊⠕⠝⠎⠀⠠⠠⠷⠀
⠠⠠⠃⠕⠕⠅⠀⠠⠠⠊⠊⠀⠀⠀⠀⠀⠀⠀⠀⠼⠃⠚⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⠠⠠⠭⠧⠊⠲⠀
⠠⠠⠮⠀⠠⠠⠇⠑⠁⠙⠬⠀⠠⠠⠏⠗⠕⠏⠕⠎⠊⠞⠊⠕⠝⠎⠀⠠⠠⠷⠀⠠⠠⠃⠕⠕⠅⠀
⠠⠠⠊⠊⠊⠀⠀⠀⠀⠀⠀⠀⠼⠃⠃⠛⠀⠀⠀⠀⠀⠀⠀⠀⠠⠠⠭⠧⠊⠊⠲⠀⠠⠠⠮⠀

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.