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The filtration of public water-supplies ⠃⠗⠋ 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

764,321 braille cells · 785 embossed pages at 40×25 · 7,914 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.