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Science from an Easy Chair ⠃⠗⠋ 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

723,491 braille cells · 758 embossed pages at 40×25 · 2,786 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.