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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.