Library / Engineering & Technology / Letters of a Radio-Engineer to His Son / Braille
Letters of a Radio-Engineer to His Son ⠃⠗⠋ 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
346,451 braille cells · 364 embossed pages at 40×25 · 2,040 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.