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.
Download .brf — Grade 2 Download .brf — Grade 1 Plain-text reader .txt
413,899 braille cells · 434 embossed pages at 40×25 · 507 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.