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Library / Engineering & Technology / Development of the Phonograph at Alexander Graham Bell's Volta Laboratory / Braille

Development of the Phonograph at Alexander Graham Bell's Volta Laboratory ⠃⠗⠋ 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

28,903 braille cells · 31 embossed pages at 40×25 · 173 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.