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The filtration of public water-supplies ⠃⠗⠋ braille edition

Grade 2 — contracted English braille (EBAE-compatible subset). Translated on this server by our own braille engine (BRF — Braille Ready Format, Library of Congress fdd000551). View Grade 1 instead.

Download .brf — Grade 2 Download .brf — Grade 1 Plain-text reader .txt

662,978 braille cells · 673 embossed pages at 40×25 · 7,688 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.