Library / Mathematics / The Teaching of Geometry / Braille
The Teaching of Geometry ⠃⠗⠋ braille edition
Grade 1 — uncontracted, letter-for-letter. Translated on this server by our own braille engine (BRF — Braille Ready Format, Library of Congress fdd000551). View Grade 2 instead.
Download .brf — Grade 2 Download .brf — Grade 1 Plain-text reader .txt
557,465 braille cells · 590 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.