Library / Engineering & Technology / The telephone, the microphone & the phonograph / Braille
The telephone, the microphone & the phonograph ⠃⠗⠋ 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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498,734 braille cells · 526 embossed pages at 40×25 · 1,180 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.