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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.

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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.