Skip to contentSkip to Braille Studio

Library / Philosophy / History of scientific ideas / Braille

History of scientific ideas ⠃⠗⠋ 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

1,196,226 braille cells · 1,258 embossed pages at 40×25 · 6,248 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.