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Tractor Principles ⠃⠗⠋ 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

205,859 braille cells · 215 embossed pages at 40×25 · 412 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.