Skip to contentSkip to Braille Studio

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.