Library / Physics / Light Science for Leisure Hours / Braille
Light Science for Leisure Hours ⠃⠗⠋ 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.
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413,899 braille cells · 434 embossed pages at 40×25 · 1,009 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.