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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