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Wireless Telegraphy and Telephony Simply Explained ⠃⠗⠋ 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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279,574 braille cells · 299 embossed pages at 40×25 · 686 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.