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Practical Talks by an Astronomer ⠃⠗⠋ 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

266,586 braille cells · 282 embossed pages at 40×25 · 728 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.