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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.