Skip to contentSkip to Braille Studio

Library / Physics / Practical Talks by an Astronomer / Braille

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.