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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.