Skip to content

Library / Engineering & Technology / Letters of a Radio-Engineer to His Son / Braille

Letters of a Radio-Engineer to His Son ⠃⠗⠋ braille edition

Grade 2 — contracted English braille (EBAE-compatible subset). Translated on this server by our own braille engine (BRF — Braille Ready Format, Library of Congress fdd000551). View Grade 1 instead.

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

287,829 braille cells · 300 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.