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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.

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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.