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Acoustics of auditoriums ⠃⠗⠋ 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

64,023 braille cells · 68 embossed pages at 40×25 · 195 unrepresentable characters omitted

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

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.