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Marks' first lessons in 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

132,252 braille cells · 133 embossed pages at 40×25 · 318 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.