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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.