Library / Physics / Practical Talks by an Astronomer / Braille
Practical Talks by an Astronomer ⠃⠗⠋ braille edition
Grade 2 — contracted English braille (EBAE-compatible subset). Translated on this server by our own braille engine (BRF — Braille Ready Format, Library of Congress fdd000551). View Grade 1 instead.
Download .brf — Grade 2 Download .brf — Grade 1 Plain-text reader .txt
222,865 braille cells · 233 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.