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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.