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The evolution of the oil industry ⠃⠗⠋ 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.

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229,699 braille cells · 243 embossed pages at 40×25 · 88 unrepresentable characters omitted

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⠊⠝⠉⠓⠑⠎⠀⠕⠗⠀⠍⠕⠗⠑⠀⠀⠊⠝⠀⠙⠊⠁⠍⠑⠞⠑⠗⠂⠀⠏⠕⠊⠝⠞⠑⠙⠀⠁⠞⠀
⠞⠓⠑⠀⠇⠕⠺⠑⠗⠀⠑⠝⠙⠀⠁⠝⠙⠀⠓⠁⠧⠊⠝⠛⠀⠃⠁⠊⠇⠀⠓⠁⠝⠙⠇⠑⠎⠀⠁⠞
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⠀⠞⠓⠑⠀⠦⠛⠕⠤⠙⠑⠧⠊⠇⠴⠤⠤⠁⠀⠋⠊⠧⠑⠤⠏⠕⠥⠝⠙⠀⠀⠏⠕⠊⠝⠞⠑⠙⠀
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⠋⠥⠎⠑⠀⠍⠕⠗⠑⠀⠕⠋⠞⠑⠝⠀⠀⠞⠓⠁⠝⠀⠁⠀⠦⠛⠕⠤⠙⠑⠧⠊⠇⠂⠴⠀
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⠀⠁⠀⠉⠥⠎⠓⠊⠕⠝⠀⠁⠃⠕⠧⠑⠀⠞⠓⠑⠀⠎⠓⠑⠇⠇⠎⠲⠀⠠⠁⠝⠀⠑⠭⠁⠍⠏⠇⠑
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⠠⠚⠥⠎⠞⠀⠀⠁⠋⠞⠑⠗⠀⠞⠓⠑⠀⠋⠊⠗⠎⠞⠀⠎⠓⠑⠇⠇⠀⠓⠁⠙⠀⠃⠑⠑⠝⠀
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⠠⠞⠓⠊⠎⠀⠉⠕⠥⠇⠙⠀⠕⠝⠇⠽⠀⠍⠑⠁⠝⠀⠞⠓⠁⠞⠀⠞⠓⠑⠀⠺⠑⠇⠇⠀⠓⠁⠙⠀
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⠞⠓⠑⠀⠎⠏⠁⠉⠑⠀⠕⠋⠀⠁⠀⠋⠑⠺⠀⠎⠑⠉⠕⠝⠙⠎⠀⠞⠓⠑⠀⠎⠓⠑⠇⠇⠀
⠉⠕⠝⠞⠁⠊⠝⠊⠝⠛⠀⠎⠊⠭⠀⠟⠥⠁⠗⠞⠎⠀⠕⠋⠀⠀⠙⠑⠁⠙⠇⠽⠀
⠑⠭⠏⠇⠕⠎⠊⠧⠑⠀⠺⠕⠥⠇⠙⠀⠃⠑⠀⠓⠥⠗⠇⠑⠙⠀⠋⠗⠕⠍⠀⠞⠓⠑⠀⠺⠑⠇⠇⠀
⠍⠕⠥⠞⠓⠲⠀⠠⠞⠓⠑⠗⠑⠀⠺⠁⠎⠀⠝⠕⠀⠞⠊⠍⠑⠀⠀⠞⠕⠀⠗⠥⠝⠀⠁⠝⠙⠀

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.