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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.