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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

⠞⠓⠗⠑⠁⠙⠀⠀⠁⠞⠞⠁⠉⠓⠊⠝⠛⠀⠞⠕⠀⠞⠓⠑⠀⠓⠕⠞⠀⠺⠊⠗⠑⠲⠀⠠⠁⠝⠽⠀
⠞⠑⠝⠙⠑⠝⠉⠽⠀⠕⠝⠀⠞⠓⠑⠀⠏⠁⠗⠞⠀⠕⠋⠀⠞⠓⠑⠀⠎⠞⠗⠊⠝⠛⠀⠞⠕⠀⠀
⠎⠇⠁⠉⠅⠑⠝⠀⠁⠀⠇⠊⠞⠞⠇⠑⠂⠀⠓⠕⠺⠑⠧⠑⠗⠂⠀⠺⠊⠇⠇⠀
⠊⠍⠍⠑⠙⠊⠁⠞⠑⠇⠽⠀⠏⠑⠗⠍⠊⠞⠀⠞⠓⠑⠀⠎⠏⠗⠊⠝⠛⠀⠞⠕⠀⠞⠥⠗⠝⠀⠀
⠞⠓⠑⠀⠎⠏⠊⠝⠙⠇⠑⠲⠀⠠⠺⠓⠑⠝⠀⠁⠀⠓⠊⠛⠓⠀⠋⠗⠑⠟⠥⠑⠝⠉⠽⠀
⠉⠥⠗⠗⠑⠝⠞⠀⠊⠎⠀⠏⠁⠎⠎⠑⠙⠀⠞⠓⠗⠕⠥⠛⠓⠀⠞⠓⠑⠀⠀⠏⠇⠁⠞⠊⠝⠥⠍⠀
⠺⠊⠗⠑⠀⠊⠞⠀⠃⠑⠉⠕⠍⠑⠎⠀⠓⠑⠁⠞⠑⠙⠀⠁⠝⠙⠀⠑⠭⠏⠁⠝⠙⠎⠲⠀⠠⠞⠓⠑
⠀⠑⠭⠏⠁⠝⠎⠊⠕⠝⠀⠕⠋⠀⠞⠓⠑⠀⠺⠊⠗⠑⠀⠀⠁⠇⠇⠕⠺⠎⠀⠞⠓⠑⠀
⠞⠓⠗⠑⠁⠙⠀⠞⠕⠀⠎⠇⠁⠉⠅⠑⠝⠀⠎⠇⠊⠛⠓⠞⠇⠽⠀⠺⠊⠞⠓⠀⠞⠓⠑⠀
⠊⠍⠍⠑⠙⠊⠁⠞⠑⠀⠗⠑⠎⠥⠇⠞⠀⠞⠓⠁⠞⠀⠞⠓⠑⠀⠀⠎⠏⠊⠝⠙⠇⠑⠀
⠞⠥⠗⠝⠎⠲⠀⠠⠞⠓⠑⠀⠎⠏⠊⠝⠙⠇⠑⠀⠉⠁⠗⠗⠊⠑⠎⠀⠁⠀⠏⠕⠊⠝⠞⠑⠗⠀⠁⠞
⠀⠞⠓⠑⠀⠥⠏⠏⠑⠗⠀⠑⠝⠙⠀⠺⠓⠊⠉⠓⠀⠀⠎⠓⠕⠺⠎⠀⠞⠓⠑⠀⠁⠍⠕⠥⠝⠞⠀
⠕⠋⠀⠞⠥⠗⠝⠊⠝⠛⠲⠀⠠⠊⠞⠀⠊⠎⠀⠞⠓⠑⠗⠑⠋⠕⠗⠑⠀⠑⠁⠎⠽⠀⠞⠕⠀
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⠉⠥⠗⠗⠑⠝⠞⠀⠋⠇⠕⠺⠊⠝⠛⠀⠁⠉⠉⠕⠗⠙⠊⠝⠛⠇⠽⠀⠁⠎⠀⠞⠓⠑⠀
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⠠⠊⠇⠇⠥⠎⠞⠗⠁⠞⠊⠕⠝⠒⠀⠠⠠⠋⠊⠛⠲⠀⠼⠊⠚⠲⠤⠤⠰⠠⠙⠊⠁⠛⠗⠁⠍⠀
⠎⠓⠕⠺⠊⠝⠛⠀⠇⠕⠕⠎⠑⠀⠉⠕⠥⠏⠇⠑⠙⠀⠓⠑⠇⠊⠭⠀⠊⠝⠀⠉⠊⠗⠉⠥⠊⠞⠲⠀
⠠⠞⠓⠑⠀⠍⠑⠞⠑⠗⠀⠊⠎⠀⠏⠇⠁⠉⠑⠙⠀⠊⠝⠀⠎⠑⠗⠊⠑⠎⠀⠺⠊⠞⠓⠀⠞⠓⠑⠀
⠁⠑⠗⠊⠁⠇⠀⠁⠝⠙⠀⠺⠓⠑⠝⠀⠞⠓⠑⠀⠓⠊⠛⠓⠀⠀⠋⠗⠑⠟⠥⠑⠝⠉⠽⠀
⠉⠥⠗⠗⠑⠝⠞⠎⠀⠏⠁⠎⠎⠀⠞⠓⠗⠕⠥⠛⠓⠀⠊⠞⠀⠞⠓⠑⠽⠀⠓⠑⠁⠞⠀⠁⠝⠙⠀
⠑⠭⠏⠁⠝⠙⠀⠁⠀⠋⠊⠝⠑⠀⠺⠊⠗⠑⠂⠀⠀⠉⠁⠥⠎⠊⠝⠛⠀⠞⠓⠑⠀⠝⠑⠑⠙⠇⠑⠀
⠞⠕⠀⠍⠕⠧⠑⠀⠕⠧⠑⠗⠀⠁⠀⠛⠗⠁⠙⠥⠁⠞⠑⠙⠀⠎⠉⠁⠇⠑⠀⠁⠝⠙⠀
⠊⠝⠙⠊⠉⠁⠞⠑⠀⠞⠓⠑⠀⠀⠁⠍⠕⠥⠝⠞⠀⠕⠋⠀⠉⠥⠗⠗⠑⠝⠞⠀⠏⠁⠎⠎⠊⠝⠛⠲
⠀⠠⠞⠓⠑⠀⠁⠏⠏⠁⠗⠁⠞⠥⠎⠀⠊⠎⠀⠞⠥⠝⠑⠙⠀⠕⠗⠀⠊⠝⠀⠗⠑⠎⠕⠝⠁⠝⠉⠑

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.