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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 · 694 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.