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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.