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Library / Chemistry / Invention: The Master-key to Progress / Braille

Invention: The Master-key to Progress ⠃⠗⠋ 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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645,368 braille cells · 684 embossed pages at 40×25 · 758 unrepresentable characters omitted

⠠⠠⠊⠇⠇⠥⠎⠞⠗⠁⠞⠊⠕⠝⠎⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
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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.