Skip to content

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.

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

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.