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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.